The K-Factor
From Author Wars - https://authorwars.com/books/the-k-factor-859811.html
Editions/Publications:
- Unknown. Analog Science Fact -> Fiction, December 1960 (Unknown, Summers, Street & Smith Publications, Inc., $0.50, 180 pages, digest, MAGAZINE)
- Unknown. Analog Science Fact -> Fiction, April 1961 (Unknown, Summers, Atlas Publishing and Distribution Co. Ltd, 2/6, 132 pages, digest, MAGAZINE)
- 2007 . The K-Factor (2007, Summers, Project Gutenberg, $0.00, pages, ebook, Chapter Book)