Necessary and Sufficient
From Author Wars - https://authorwars.com/books/necessary-and-sufficient-670545.html
Overview:
- Title: Necessary and Sufficient
- Author: uncredited
- Year: 1971
- Type: Interior Art
Editions/Publications:
- Unknown. Galaxy Magazine, April 1971 (Unknown, uncredited, UPD Publishing Corporation, $0.75, 192 pages, digest, MAGAZINE)