Hidden Variables

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Overview:

Title: Hidden Variables
Author: David Penn (fanwriter)
Year: 1981
Type: Reviews

Editions/Publications:

Unknown. Paperback Inferno, Volume 5, Number 2 (Unknown, David Penn (fanwriter), BSFA, ISBN-10: , £0.15, 14 pages, A4, FANZINE)
Unknown. Paperback Inferno, Volume 5, Number 2 (Unknown, Charles Sheffield, BSFA, ISBN-10: , £0.15, 14 pages, A4, FANZINE)