Description
Item Description:At head of title, <Nov. 1968->: National Aeronautics and Space Administration.
Description based on: Number 37-8, volume 1 (Jan. 15, 1961 to Mar. 1, 1961).
Latest issue consulted: Number 37-66, volume 3 (Oct. 1/Nov. 30, 1970).
Physical Description:volumes : illustrations ; 28cm.
Publication Frequency:Bimonthly