publisher: Crowell, 325 pages, Paperback" /> publish date: January 1st 1971
format: paperback pages: 325
language: English
ISBN:
0690774400 (9780690774405)
publisher: MIT Press (MA) publish date: August 5th 1982
format: hardcover pages: 459
language: English
ISBN:
0262131757 (9780262131759)