Дебела Берта — разлика између измена

 

== Литература ==

* {{Cite book |ref= harv|last=Prasil|first=Michal|title=Skoda Heavy Guns: 24cm Cannon, 38cm Howitzer, 42cm Howitzer and Others|url=https://books.google.com/books?id=Y4bOngEACAAJ|date=January 1997|publisher=Schiffer Publishing, Limited|isbn=978-0-7643-0288-6}}

* -{Gerhard Taube: ''Die schwersten Steilfeuer-Geschütze 1914–1945. Geheimwaffen "Dicke Berta" und "Karl"', Motorbuch-Verlag,}-. {{page|year=|id=ISBN 3-87943-811-0|pages=}}

* {{Cite book |ref= harv|author=Eric Dorn Brose|title=The Kaiser's Army: The Politics of Military Technology in Germany During the Machine Age, 1870-1918|year=2004|publisher=Oxford University Press|isbn=978-0-19-517945-3|pages=228and 172}}

 

== Спољашње везе ==

{{Commonscat|Big Bertha}}