De demon in de kist

From Author Wars - https://authorwars.com/books/de-demon-in-de-kist-1585608.html

Overview:

Title: De demon in de kist
Author: Kurt Mahr
Year: 1976
Type: Short Fiction

Editions/Publications:

Unknown. Onze man in het heelal (Unknown, Kurt Mahr, Born, ISBN-10: 9028305033, 159 pages, Paperback, Collection)