Lumina neagră
From Author Wars - https://authorwars.com/books/lumina-neagra-2661877.html
Editions/Publications:
- 1962 . Colecția "Povestiri științifico-fantastice", #191 (1962, A. Kolțov, Știință & Tehnică, Lei 1, 32 pages, digest, MAGAZINE)
From Author Wars - https://authorwars.com/books/lumina-neagra-2661877.html