Manhours of Manned Space Flight as of 28 Feb 1974

2018-04-262018-04-261974-02-28http://hdl.handle.net/2152.3/8341Manhours of Manned Space Flight as of 28 Feb 1974 for the United States and the Soviet Union.Dr. Charles Berryspace medicineManhours of Manned Space FlightUnited StatesSovietManhours of Manned Space Flight as of 28 Feb 1974