Title: Planetary flight handbook
Subjects: Vatican Council 1869-1870), Vatican Council. fast (OCoLC)fst01405122, Concilie Vaticanum I., Vatican Council, Vatican Council (1st : 1869 : Basilica di San Pietro in Vaticano), Onfeilbaarheid, Vatikanisches Konzil <1869-1870>, Space flight, Handbooks, manuals, Space trajectories