Vogel in de hand

From Author Wars - https://authorwars.com/books/vogel-in-de-hand-1935194.html

Overview:

Title: Vogel in de hand
Author: Larry Niven
Year: 1973
Type: Short Fiction

Editions/Publications:

Unknown. Waterslag (Unknown, Larry Niven, Luitingh, ISBN-10: 902450192X, 192 pages, Trade Paperback, Anthology)