221 | Add to Reading ListSource URL: phys.orgLanguage: English - Date: 2015-02-08 11:37:22
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222 | Add to Reading ListSource URL: www.cwu.eduLanguage: English - Date: 2014-03-18 18:08:05
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223 | Add to Reading ListSource URL: www.ncca.ne.govLanguage: English - Date: 2015-01-20 11:04:56
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224 | Add to Reading ListSource URL: www.serc.si.eduLanguage: English - Date: 2015-01-12 14:34:59
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225 | Add to Reading ListSource URL: www.indiana.eduLanguage: English - Date: 2010-09-07 10:10:43
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226 | Add to Reading ListSource URL: www.ias.ac.inLanguage: English - Date: 2014-10-21 07:58:17
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227 | Add to Reading ListSource URL: eurekamag.comLanguage: English - Date: 2014-09-23 04:34:32
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228 | Add to Reading ListSource URL: ec.europa.euLanguage: English - Date: 2013-04-19 03:14:00
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229 | Add to Reading ListSource URL: ccber.ucsb.eduLanguage: English - Date: 2012-11-19 18:21:00
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230 | Add to Reading ListSource URL: schools.nyc.govLanguage: English - Date: 2015-01-04 07:39:04
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