publisher: Open University Press publish date: September 1st 1996
format: paperback
language: English
ISBN:
0335195180 (9780335195183)
publisher: Willan Publishing (UK) publish date: October 1st 2000
format: hardcover pages: 212
language: English
ISBN:
1903240107 (9781903240106)
publisher: Gower Publishing Company
format: hardcover
language: English
ISBN:
0566003090 (9780566003097)