Description
Published:Vol. 32, no. 163 (July-Aug. Ceased with v. 58, no. 319 (July-Aug. 1973).)
Item Description:"Land - Sea - Air - Space.
Physical Description:1 online resource (volumes) : illustrations (some color), maps, portraits
Publication Frequency:Bimonthly
Format:Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002.
ISSN:28330420
Related Items:Continued in Sept-Oct. 1973 by: National defense.