publisher: The MIT Press publish date: February 26th 1981
format: paperback pages: 320
language: English
ISBN:
0262610337 (9780262610339)
language: English
ISBN:
0500232725 (9780500232729)
publisher: Viking Adult publish date: September 30th 1977
format: hardcover
language: English
ISBN:
0670541338 (9780670541331)