Schlag die Tür nicht zu!

From Author Wars - https://authorwars.com/books/schlag-die-tur-nicht-zu-2155363.html

Overview:

Title: Schlag die Tür nicht zu!
Author: Damon Knight
Year: 1968
Type: Short Fiction

Editions/Publications:

Unknown. Die Superwaffe (Unknown, Damon Knight, Goldmann, DM 2.80, 151+[1] pages, Paperback, Anthology)