111 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2012-02-07 14:01:56
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112 | Add to Reading ListSource URL: www.columbia.eduLanguage: English - Date: 2010-09-21 12:18:36
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113 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2013-09-06 08:11:21
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114 | Add to Reading ListSource URL: www.indiana.eduLanguage: English - Date: 2013-11-05 08:45:36
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115 | Add to Reading ListSource URL: www.sads.orgLanguage: English - Date: 2010-07-30 19:42:26
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116 | Add to Reading ListSource URL: www.nycteachingfellows.orgLanguage: English - Date: 2012-08-30 10:55:09
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117 | Add to Reading ListSource URL: www.bc.eduLanguage: English - Date: 2014-05-19 10:06:49
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118 | Add to Reading ListSource URL: magnolia.delaware.govLanguage: English - Date: 2014-05-27 11:12:50
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119 | Add to Reading ListSource URL: magnolia.delaware.govLanguage: English - Date: 2014-05-27 11:12:47
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120 | Add to Reading ListSource URL: nccor.orgLanguage: English - Date: 2013-01-29 11:53:27
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