publisher: Cambridge University Press publish date: February 13th 1999
format: paperback
language: English
ISBN:
0521589797 (9780521589796)
ISBN:
0863034268 (9780863034268)
publisher: Cambridge University Press publish date: February 22nd 1991
format: hardcover pages: 172
language: English
ISBN:
0521353254 (9780521353250)