Pluto ist schwarz!
From Author Wars - https://authorwars.com/books/pluto-ist-schwarz-1701068.html
Overview:
- Title: Pluto ist schwarz!
- Author: Robert L. Forward
- Year: 1980
- Type: Essays
Editions/Publications:
- Unknown. Black Holes (Unknown, Robert L. Forward, Bastei Lübbe, ISBN-10: 340424012X, DM 6.80, 374 pages, Paperback, Anthology)