Letzeburger Dokumenter 1. Pol Albrecht: sei' Liewen, sei' Wierk jane's yearbooks Jane's radar and electronic warfare systems / ed. by Martin Streetly Electronic warfare principles Electronic circuit analysis Vol.I Fundamentals of electronics Electronic circuit analysis Vol.II Operational and maintenance ac/dc power supply model 41-F-1-245 (Behlman - Invar Electronics Corp.)
