Descripción
Publicado: | Vol. 32, no. 163 (July-Aug. Ceased with v. 58, no. 319 (July-Aug. 1973).) |
Notas: | "Land - Sea - Air - Space. |
Descripción Física: | 1 online resource (volumes) : illustrations (some color), maps, portraits |
Frecuencia de Publicación: | Bimonthly |
Formato: | 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 |
Publicación relacionada: | Continued in Sept-Oct. 1973 by: National defense. |