Fire fighting vehicles – Part 8: Group pumping appliance LF-KatS for the disaster prevention
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2010

Fire fighting vehicles – Part 8: Group pumping appliance LF 20 KatS for the disaster prevention
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2012