Advances in astronautical propulsion. Proceedings of a seminar held in Milan by Istituto Lombardo Accademia di Scienze e Lettere in collaboration with the advisory group for aeronautical research and development of NATO, 8-12 September 1960 /
Reale Istituto Lombardo di Scienze e Lettere, afterwards Istituto Lombardo di Scienze e Lettere (Milan)
Casci, Corrado.
Oxford, 
1962.