41![Crane D. Invisible colleges: diffusion of knowledge in scientific communities. Chicago. IL: University of Chicago Press, [removed]p.](https://www.pdfsearch.io/img/28abe9d7e474df39dad08e6d65cc15b3.jpg "Crane D. Invisible colleges: diffusion of knowledge in scientific communities. Chicago. IL: University of Chicago Press, [removed]p.") | Add to Reading ListSource URL: garfield.library.upenn.eduLanguage: English - Date: 2003-11-25 13:50:01
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42 | Add to Reading ListSource URL: openreflections.files.wordpress.comLanguage: English - Date: 2015-02-13 11:53:21
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43![Essays of an Information Scientist, Vol:2, p.60-61, [removed]Current Contents, #17, p.5-6, April 24, 1974 Aprif 24, 1974 Unquestionably the work of Thomas](https://www.pdfsearch.io/img/a5a4de6caa35aa5200970629ed36758d.jpg "Essays of an Information Scientist, Vol:2, p.60-61, [removed]Current Contents, #17, p.5-6, April 24, 1974 Aprif 24, 1974 Unquestionably the work of Thomas") | Add to Reading ListSource URL: www.garfield.library.upenn.eduLanguage: English - Date: 1999-10-04 15:08:37
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44 | Add to Reading ListSource URL: www.tomorrowmakers.orgLanguage: English - Date: 2009-08-04 10:21:49
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45 | Add to Reading ListSource URL: www.innovation.ccLanguage: English - Date: 2010-08-29 23:39:13
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46 | Add to Reading ListSource URL: www.sfu.caLanguage: English - Date: 2008-07-05 00:48:45
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47 | Add to Reading ListSource URL: research.microsoft.comLanguage: English - Date: 2009-10-16 09:10:11
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48 | Add to Reading ListSource URL: cas.ou.eduLanguage: English - Date: 2012-08-17 12:06:40
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49 | Add to Reading ListSource URL: www.ln.edu.hkLanguage: English - Date: 2010-12-17 10:53:46
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50 | Add to Reading ListSource URL: hyle.orgLanguage: English - Date: 2012-12-27 20:42:03
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