Anti-Gravity II: Negative Mass

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Overview:

Title: Anti-Gravity II: Negative Mass
Author: John G. Cramer
Year: 1986
Type: Essays
Series: The Alternate View

Editions/Publications:

Unknown. Analog Science Fiction/Science Fact, September 1986 (Unknown, John G. Cramer, Davis Publications, $2.00, 196 pages, digest, MAGAZINE)