Exploration et colonies (introduction)

From Author Wars - https://authorwars.com/books/exploration-et-colonies-introduction-1496149.html

Overview:

Title: Exploration et colonies (introduction)
Author: Jack Williamson
Year: 1979
Type: Essays

Editions/Publications:

Unknown. Encyclopédie visuelle de la science-fiction (Unknown, Jack Williamson, Albin Michel, ISBN-10: 2226006915, 352 pages, Trade Paperback, Non-fiction)