Microworlds

From Author Wars - https://authorwars.com/books/microworlds-3395598.html

Overview:

Title: Microworlds
Author: Stanislaw Lem
Year: 2003
Type: Non-fiction

Editions/Publications:

Unknown. Microworlds (Unknown, Stanislaw Lem, Harvest / Harcourt, ISBN-10: 0156028905, $13.00, 312 pages, Trade Paperback, Non-fiction)