51 | Add to Reading ListSource URL: www.imber.infoLanguage: English - Date: 2011-04-02 09:50:19
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52 | Add to Reading ListSource URL: resources.edb.gov.hkLanguage: English - Date: 2010-12-12 23:23:12
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53 | Add to Reading ListSource URL: www.chemistryprofessor.comLanguage: English - Date: 2012-11-08 20:15:11
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54 | Add to Reading ListSource URL: sbw.kgi.eduLanguage: English - Date: 2004-12-17 21:22:42
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55 | Add to Reading ListSource URL: unene.caLanguage: English - Date: 2012-12-19 10:04:33
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56 | Add to Reading ListSource URL: unene.caLanguage: English - Date: 2012-12-19 10:04:56
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57 | Add to Reading ListSource URL: www.chemistry2011.orgLanguage: English - Date: 2013-04-01 20:10:09
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58 | Add to Reading ListSource URL: www.acs.orgLanguage: English - Date: 2013-05-08 13:07:46
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59 | Add to Reading ListSource URL: unene.caLanguage: English - Date: 2012-12-19 10:04:50
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60 | Add to Reading ListSource URL: old.iupac.orgLanguage: English - Date: 2004-01-19 16:05:21
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