Dear colleagues, See the animation at <http://www.leydesdorff.net/journals/nanotech/index.htm> http://www.leydesdorff.net/journals/nanotech/index.htm . The file contains some further explanation. The specialty emerged as a set of journals citing one another during the period 2000-2003. Best wishes for a Happy Newyear, Loet _____
Loet Leydesdorff Amsterdam School of Communications Research (ASCoR) Kloveniersburgwal 48, 1012 CX Amsterdam <mailto:[EMAIL PROTECTED]> [EMAIL PROTECTED] ; <http://www.leydesdorff.net/> http://www.leydesdorff.net/ Visiting Professor, <http://www.istic.ac.cn/Eng/brief_en.html> ISTIC, Beijing; Honorary Fellow <http://www.sussex.ac.uk/spru/> SPRU, University of Sussex Now available: <http://www.universal-publishers.com/book.php?method=ISBN&book=1581129378> The Knowledge-Based Economy: Modeled, Measured, Simulated, 385 pp.; US$ 18.95; <http://www.universal-publishers.com/book.php?method=ISBN&book=1581126956> The Self-Organization of the Knowledge-Based Society ; <http://www.universal-publishers.com/book.php?method=ISBN&book=1581126816> The Challenge of Scientometrics
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