111 | Add to Reading ListSource URL: www.cfc.umt.eduLanguage: English - Date: 2004-07-22 15:33:41
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112 | Add to Reading ListSource URL: dfw.state.or.usLanguage: English - Date: 2014-03-10 15:06:31
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113 | Add to Reading ListSource URL: phys.orgLanguage: English - Date: 2015-03-04 06:08:53
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114 | Add to Reading ListSource URL: www.defenders.orgLanguage: English - Date: 2012-03-27 10:50:50
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115 | Add to Reading ListSource URL: www.nrdc.orgLanguage: English - Date: 2013-11-26 17:11:35
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116 | Add to Reading ListSource URL: www.nsta.orgLanguage: English - Date: 2010-11-19 12:57:26
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117 | Add to Reading ListSource URL: www.wolf.orgLanguage: English - Date: 2013-12-17 12:05:40
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118 | Add to Reading ListSource URL: docs.nrdc.orgLanguage: English - Date: 2008-11-06 16:58:48
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119 | Add to Reading ListSource URL: docs.nrdc.orgLanguage: English - Date: 2011-07-05 17:59:53
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120 | Add to Reading ListSource URL: docs.nrdc.orgLanguage: English - Date: 2010-08-05 18:13:32
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