L'étrange chose (Part 1 of 2)

From Author Wars - https://authorwars.com/books/letrange-chose-part-1-of-2-1772365.html

Overview:

Title: L'étrange chose (Part 1 of 2)
Author: Fritz Leiber
Year: 1977
Type: Serials

Editions/Publications:

Unknown. Fiction, #282 (Unknown, Fritz Leiber, OPTA, F11.00, 212 pages, digest, MAGAZINE)