621 | Add to Reading ListSource URL: puff.lbl.govLanguage: English - Date: 2013-07-01 18:29:51
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622 | Add to Reading ListSource URL: www.soc.iastate.eduLanguage: English - Date: 2007-05-24 23:26:00
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623 | Add to Reading ListSource URL: perc.orgLanguage: English - Date: 2012-10-01 17:24:44
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624 | Add to Reading ListSource URL: www.spiekermann-wegener.comLanguage: English - Date: 2010-03-16 09:27:47
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625 | Add to Reading ListSource URL: pages.eiu.comLanguage: English - Date: 2013-10-19 11:56:59
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626 | Add to Reading ListSource URL: www.smartcommunities.ncat.orgLanguage: English - Date: 2010-05-03 05:24:51
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627 | Add to Reading ListSource URL: www.nationalcenter.orgLanguage: English - Date: 2007-10-03 19:32:04
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628 | Add to Reading ListSource URL: www.tetrad.comLanguage: English - Date: 2013-03-30 00:02:05
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629 | Add to Reading ListSource URL: www.ppic.orgLanguage: English - Date: 2006-02-27 16:48:28
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630 | Add to Reading ListSource URL: www.publicpurpose.comLanguage: English - Date: 2011-06-29 22:17:28
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