Wen die Technik der Bunker interessiert:
Publication Number: TM 5-855-4
Title: Heating, Ventilation, and Air Conditioning of Hardened Installation
Proponent: Department of the Army
Publication Date: 28 November 1986
http://www.usace.army.mil/inet/usace-do ... -4/toc.htm
Ansonsten:
http://www.globalsecurity.org/wmd/intro/bunker.htm
Viele Grüße,
Leif