publisher: Routledge & Kegan Paul Books publish date: January 1st 1988
format: hardcover pages: 284
language: English
ISBN:
0710212682 (9780710212689)
publisher: Open University Press publish date: September 1st 2001
format: paperback pages: 226
language: English
ISBN:
033520385X (9780335203857)
publisher: Aps
publish date: December 31st 2004
format: paperback pages: 118
ISBN:
190387713X (9781903877135)