• 

  ILSE — IPN Library Search Engine

  http://ilse.kobv.de/authorSearch.do;jsessionid=88B154DD683CAFDDBED4384629B4C515?query=Altman,+Janina&plv=2

  ILSE - IPN Library Search Engine (Leibniz Institute for Science and Mathematics Education, Kiel)

• 

  The Daily (Maybe): Top Twenty Green Blogs

  http://jimjay.blogspot.de/2007/10/top-twenty-green-blogs.html

  Keine Beschreibung vorhanden.

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