181 | Add to Reading ListSource URL: www.physics.uoguelph.caLanguage: English - Date: 2012-03-09 16:36:35
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182 | Add to Reading ListSource URL: www.pellegrino.caltech.eduLanguage: English - Date: 2011-03-23 16:55:37
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183 | Add to Reading ListSource URL: www.colorado4h.orgLanguage: English - Date: 2005-12-21 17:43:06
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184 | Add to Reading ListSource URL: kidsciencechallenge.comLanguage: English - Date: 2012-08-18 04:22:33
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185 | Add to Reading ListSource URL: www.pellegrino.caltech.eduLanguage: English - Date: 2011-03-23 17:21:22
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186 | Add to Reading ListSource URL: www.troian.caltech.eduLanguage: English - Date: 2008-10-28 19:31:48
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187 | Add to Reading ListSource URL: www.troian.caltech.eduLanguage: English - Date: 2008-10-30 17:29:22
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188 | Add to Reading ListSource URL: www.troian.caltech.eduLanguage: English - Date: 2008-10-28 19:56:26
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189 | Add to Reading ListSource URL: www.nrel.govLanguage: English - Date: 2014-04-11 18:17:55
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190 | Add to Reading ListSource URL: www.cds.caltech.eduLanguage: English - Date: 2001-03-26 15:01:12
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