CHIMICA:
http://www.iupac.org/
http://www.soc.chim.it/
http://www.didichim.org/
http://www.unichim.it/
http://www.incaweb.org/
http://incaweb.org/green/
http://kriemhild.uft.uni-bremen.de/nop_www/index.php?page=entry&lang=it
DIDATTICA:
http://www.anisn.it/
http://www.aic-eu.it/
RICERCA:
http://scholar.google.com/http://www.cnr.it/sitocnr/home.html
http://www.enea.it/
MUSEI:
http://www.nhm.ac.uk/http://www.museoscienza.org/
http://www.eol.org/index
http://www.istitutoveneto.it/
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