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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3c.org/TR/xhtml11/DTD/xhtml11.dtd">

    <!-- OmniPage.jspx -->
    <html lang="en"><head>
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	<meta content="Gale Power Search - Basic Search" name="omni-title"/><title>Basic Search - Gale Power Search</title><meta name="format-detection" content="telephone=no"/><meta content="width=device-width, height=device-height, initial-scale=1.0, minimal-ui" name="viewport"/><meta content="crawlerUg=googlescholar, ug=oregon_sl" name="galeScholarMetadata"/><meta content="none" name="robots"/><script type="text/javascript" src="/ps/ruxitagentjs_ICA2Vfqru_10245220704125537.js" data-dtconfig="app=460e011d10238c59|rcdec=1209600000|featureHash=ICA2Vfqru|vcv=2|rdnt=1|uxrgce=1|bp=3|srmcrv=10|cuc=dpx9sax3|mel=100000|dpvc=1|ssv=4|lastModification=1659615394285|dtVersion=10245220704125537|srmcrl=1|tp=500,50,0,1|uxdcw=1500|agentUri=/ps/ruxitagentjs_ICA2Vfqru_10245220704125537.js|reportUrl=/ps/rb_bf60314pbi|rid=RID_1201252110|rpid=1662914524|domain=gale.com"></script><link href="images/favicon.ico" rel="SHORTCUT ICON"/><link href="https://script.hotjar.com" rel="preconnect"/><link href="https://static.hotjar.com" rel="preconnect"/><link href="https://fonts.gstatic.com" rel="preconnect"/><link href="Rio/css/vendor/Rio-plugins.css?v=202207221407" type="text/css" rel="stylesheet" media="screen" /><link href="Lilo/css/vendor/jquery-ui-1.12.1.custom.css?v=202207221407" type="text/css" rel="stylesheet" media="screen" /><link href="Lilo/css/styles.css?v=202207221407" type="text/css" rel="stylesheet" media="screen" /><link href="Lilo/css/print.css?v=202207221407" type="text/css" rel="stylesheet" media="print" />
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	<script defer="defer" src="/ps/i18n/messages_en?p=GPS&amp;u=oregon_sl&amp;asid=&amp;digest=&amp;v=202207221407" type="text/javascript"></script><script defer="defer" src="/ps/productConfigMap?p=GPS&amp;u=oregon_sl&amp;asid=&amp;digest=&amp;v=202207221407" type="text/javascript"></script><script type="text/javascript">

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		var PDF_VIEWER_URL=CALLISTO_BASE_URL + "/UTIL/" + DVI_VIEWER_INSTANCE;
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	</script><script src="Rio/js/vendor/jquery-3.5.1.min.js?v=202207221407" type="text/javascript" ></script><script src="Rio/js/vendor/jquery-migrate-3.3.0.min.js?v=202207221407" type="text/javascript" ></script><script src="Rio/js/namespace.js?v=202207221407" type="text/javascript" ></script><script src="Rio/js/vendor/jquery-ui-1.12.1.min.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="https://kit.fontawesome.com/1ce11f27c1.js" type="text/javascript" crossorigin="anonymous" defer="defer"></script><script src="Rio/js/vendor/Rio-plugins.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/vendor/iframeResizer.contentWindow.min.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/vendor/iframeResizer.min.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="script/vendor/js.storage-modified.min.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/Rio-all.min.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="script/vendor/i18n-1.1.0.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/components/build.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="script/vendor/moment-2.24.0.min.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/vendor/jquery.masonry.min.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/init/rio_init.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/init/init_dviCategories.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/init/init_fixedTopTools.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/init/init_gtm.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/init/init_delayedAuth.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/init/init_sessionTimeoutServiceWorker.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/vendor/jquery.matchHeight-0.6.0.min.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/init/init_sparkHome.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/init/init_archiveHomePage.js?v=202207221407" type="text/javascript" defer="defer"></script><script src="Rio/js/init/init_defaultProductsForPowerSearch.js?v=202207221407" type="text/javascript" defer="defer"></script>
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			_OMNI_GTMHelper.addCustomProperty('locationName', 'Oregon State Lib Libraries of Orego');
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	</head><body data-helpid="topicHomePage" lang="en" class="GPS  version2 Lilo spark" id="home">
	<!-- Lilo_HomePage.jspx -->
	

    <!-- infomarkComponent.jspx -->
    <div class="js-bookmark-content hide removeDrive" id="infoMark"><div class="getLink"><div class="infomark-direction"><span class="getLink__subheader js-get-link-sub-header">Use this link to get back to this page.</span></div><div class="getLink__box"><span id="InfomarkURL" class="infomark-url-green getLink__url"><u data-title="Get Link" data-infomark="https%3A%2F%2Fgo.gale.com%2Fps%2Fi.do%3Fp%3DGPS%26sw%3Dw%26u%3Doregon_sl%26v%3D2.1%26pg%3DBasicSearch%26it%3Dstatic%26sid%3Dbookmark-GPS" id="js_bk_url" class="url js-bookmark-url"></u></span><div class="button-row--right"><button id="js-getLink-select-button" class="getLink__button js-select-text-element button button--primary" data-targetid="js_bk_url">Select</button></div></div></div></div><div class="page-wrapper"><header class="header-wrapper">

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    <noscript><div class="noscript-container error">For the best user experience on this site, you should have JavaScript enabled in your browser.</div><div class="noscript-bottom-bar GPS "></div></noscript><div><ul id="fixedmsg"></ul></div><a data-wa-event-selector="accessibility: skip to content" accesskey="s" href="#content-wrapper" class="accessFeature">Skip to Content</a><div class="library-menu js-branding-container" style="display: none;" id="locationBrandingContainer">
	<!-- library_menu.jspx -->
	<div class="library-sidebar"><div class="library-menu__header"><h2 class="library-menu__header-text subject-title">Oregon State Lib Libraries of Orego</h2><div class="library-menu__header-close"><button class="library-menu__close-button js-close-branding" id="brandingClose"><span class="offscreen">Close</span></button></div></div><div data-event-name="product-change-database" class="signin-link gtm-click-event library-menu__databases" id="galeDatabase"><a data-wa-event-label="change databases" data-wa-event-selector="utility bar: library links" class="button button--primary" href="redirectSearch.do?userGroupName=oregon_sl&page=logout.do%3FactionString%3Dgotomenu%26userGroupName%3Doregon_sl%26nspage%3Dtrue%26prodId%3DGPS&prodId=GPS">View Gale Product Menu</a></div></div><div class="js-branding-outside library-menu__outside"></div></div><nav class="tools" aria-label="Top Navigation" role="navigation">
    <!-- signin_nav.jspx -->
    <div class="resourceLinkWrapper"><h2 class="offscreen">Sign in bar</h2><div class="resourceLinks navigation"><div class="left"><div class="locationBrandingText signin-link"><button data-wa-event-selector="utility bar: library menu" aria-expanded="false" class="button__btn library-label js-brandingTrigger"><i class="fas fa-bars"></i>Library Menu: Oregon State Lib Libraries of Orego
							</button></div></div><div class="right"><div class="signin-link" id="language"><button aria-labelledby="lang-label" aria-expanded="false" data-wa-event-label="current language: English" data-wa-event-selector="utility bar: translate" data-qtip="Change the interface language automatically. Use the translate feature on article pages to get a translation of the corresponding document." class="toolbar-button js-lang-button js-qtip-utilbar-right" id="currentLang"> English
                        </button><label class="hide" id="lang-label">Select Language English</label><div class="lang-translation js-lang-container"><ul class=""><li lang="af" class="af"><a data-wa-event-label="Afrikaans" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=af" title="Afrikaans" tabindex="0" class="js-lang-link lang-link">Afrikaans</a></li><li lang="ar" class="ar"><a data-wa-event-label="Arabic" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=ar" title="Arabic" tabindex="0" class="js-lang-link lang-link">العربية</a></li><li lang="in" class="in"><a data-wa-event-label="Indonesian" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=in" title="Indonesian" tabindex="0" class="js-lang-link lang-link">Bahasa Indonesia</a></li><li lang="ms" class="ms_MY"><a data-wa-event-label="Malay" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=ms_MY" title="Malay" tabindex="0" class="js-lang-link lang-link">Bahasa Malaysia</a></li><li lang="cs" class="cs"><a data-wa-event-label="Czech" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=cs" title="Czech" tabindex="0" class="js-lang-link lang-link">česky</a></li><li lang="cy" class="cy"><a data-wa-event-label="Welsh" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=cy" title="Welsh" tabindex="0" class="js-lang-link lang-link">Cymraeg</a></li><li lang="da" class="da"><a data-wa-event-label="Danish" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=da" title="Danish" tabindex="0" class="js-lang-link lang-link">Dansk</a></li><li lang="de" class="de"><a data-wa-event-label="German" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=de" title="German" tabindex="0" class="js-lang-link lang-link">Deutsch</a></li><li lang="en" class="en selected"><a data-wa-event-label="English" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=en" title="English" tabindex="0" class="js-lang-link lang-link">English</a></li><li lang="es" class="es"><a data-wa-event-label="Spanish" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=es" title="Spanish" tabindex="0" class="js-lang-link lang-link">Español</a></li><li lang="fr" class="fr"><a data-wa-event-label="French" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=fr" title="French" tabindex="0" class="js-lang-link lang-link">Français</a></li><li lang="gl" class="gle"><a data-wa-event-label="Irish" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=gle" title="Irish" tabindex="0" class="js-lang-link lang-link">Gaeilge</a></li><li lang="hr" class="hr"><a data-wa-event-label="Croatian" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=hr" title="Croatian" tabindex="0" class="js-lang-link lang-link">Hrvatski</a></li><li lang="it" class="it"><a data-wa-event-label="Italian" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=it" title="Italian" tabindex="0" class="js-lang-link lang-link">Italiano</a></li><li lang="hu" class="hu"><a data-wa-event-label="Hungarian" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=hu" title="Hungarian" tabindex="0" class="js-lang-link lang-link">magyar</a></li><li lang="nl" class="nl"><a data-wa-event-label="Dutch" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=nl" title="Dutch" tabindex="0" class="js-lang-link lang-link">Nederlands</a></li><li lang="pl" class="pl"><a data-wa-event-label="Polish" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=pl" title="Polish" tabindex="0" class="js-lang-link lang-link">Polski</a></li><li lang="pt" class="pt"><a data-wa-event-label="Portuguese" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=pt" title="Portuguese" tabindex="0" class="js-lang-link lang-link">Português</a></li><li lang="ro" class="ro"><a data-wa-event-label="Romanian" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=ro" title="Romanian" tabindex="0" class="js-lang-link lang-link">Română</a></li><li lang="sl" class="sl"><a data-wa-event-label="Slovenian" data-wa-event-selector="utility bar: translate" href="preferences.do?userGroupName=oregon_sl&amp;inPS=true&amp;nspage=true&amp;prodId=GPS&amp;type=ApplyPreferences&uiLanguage=sl" title="Slovenian" tabindex="0" class="js-lang-link lang-link">Slovenščina</a></li><li lang="sk" class="sk"><a data-wa-event-label="Slovak" data-wa-event-selector="utility bar: translate" 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