Decision at 21 Centimeters

From Author Wars - https://authorwars.com/books/decision-at-21-centimeters-111115.html

Overview:

Title: Decision at 21 Centimeters
Author: Stevan Arnold
Year: 1974
Type: Interior Art

Editions/Publications:

Unknown. Vertex: The Magazine of Science Fiction, August 1974 (Unknown, Stevan Arnold, Mankind Publishing Company, $1.50, 100 pages, quarto, MAGAZINE)