principles of guided missile design Space flight / Krafft A. Ehricke illustrated histories of twentieth century arms German secret weapons of World War II / by I. V. Hogg Rocket and the Reich : Peenemünde and the coming of the ballistic missile era / Michael J. Neufeld German secret weapons of the second world war : the missiles, rockets, weapons and new technology of the Third Reich / by Ian V. Hogg
