World of Ptavvs
By: Larry Niven
Series: Ballantine book -- 30054
Publisher: Ballantine Books; Del Rey
Published: 1982
Place of publication: New York
Language: eng
Format: Microform
Number of pages: 188
ISBN-13: 9780345300546
Copyright date: 1966
Notes: "A Del Rey book."

Microfilm. New York : New York Public Library, 1985. 6 microfilm reels ; 35 mm. (MN *ZZ-25,721)

will reformat 09-03-85