180 mm S-23 (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "180 mm S-23" in Italian language version.

refsWebsite

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1books.google.com

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books.google.com

Margiotta, Franklin D. Brassey's Encyclopedia of Land Forces and Warfare. Brassey's, 2000 ISBN 1-57488-087-X, ISBN 978-1-57488-087-8 p131.

janes.com

180 mm ammunition for Russian S-23 gun, Field artillery, su janes.com, Janes Defense Website. URL consultato il 13 ottobre 2008.