Bibliografi Meriam kereta api

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WikiPedia: Meriam kereta api http://freepages.military.rootsweb.ancestry.com/~c... http://www.one35th.com/model/k5/k5_index.html http://www.winterwar.com/forces/FinArmy/FINartille... http://southern.railfan.net/ties/1961/61-12/art.ht... http://www.gwpda.org/naval/wusrw000.htm http://samilitaryhistory.org/vol023dh.html http://www.railwaygun.co.uk/ https://eugeneleeslover.com/ENGINEERING/Railway_ar... https://books.google.com/books?id=yt8DAAAAMBAJ&pg=... https://id.loc.gov/authorities/subjects/sh85111184