publisher: Cambridge University Press publish date: November 30th 1990
format: hardcover pages: 210
language: English
ISBN:
0521390982 (9780521390989)
publisher: Cambridge University Press publish date: November 1st 1990
format: paperback pages: 216
language: English
ISBN:
0521399947 (9780521399944)
publisher: Cambridge University Press publish date: May 11th 2012
format: ebook
language: English
ISBN:
1139242784 (9781139242783)