20130426d1963 |||y0rusy50 cacreatortextmonographicДоп. тит. л.: Krafft A. Ehricke. Space flight. I. Environment and celestial mechanics. Princeton a. o., Van Nostrand, 1960. (Principles of cuided missile design)Space flight Небесная механика (т. 1) psbo NLR 63-5/403320250613041630.0rc\4923255