publisher: Cambridge University Press publish date: September 19th 1991
format: paperback
language: English
ISBN:
0521424186 (9780521424189)
publisher: Cambridge University Press publish date: May 11th 2012
format: ebook
language: English
ISBN:
1139242512 (9781139242516)
publisher: Cambridge University Press publish date: July 28th 1989
format: hardcover pages: 200
language: English
ISBN:
0521354366 (9780521354363)