Prepared by James M. Grimwood and Barton C. Hacker with Peter J. Vorzimmer
Scientific and Technical Information Division, Office of Technology Utilization, National Aeronautics and Space Administration : [For sale by the Supt. of Docs., U.S. G.P.O.]1969NASA historical series
, NASA SP
4002
Scientific and Technical Information Division, Office of Technology Utilization, National Aeronautics and Space Administration1969-1973NASA historical series
, NASA SP
4009
by Loyd S. Swenson, Jr., James M. Grimwood, Charles C. Alexander
Scientific and Technical Information Division, Office of Technology Utilization, National Aeronautics and Space Administration1966NASA SP
4201 , NASA historical series