publisher: Geographical Association publish date: June 1971
pages: 25
ISBN:
0900395354 (9780900395352)
publisher: Aberdeen University Press publish date: January 1st 1986
format: paperback pages: 66
language: English
ISBN:
0080324495 (9780080324494)
publisher: Springer
publish date: July 31st 1994
format: hardcover pages: 478
language: English
ISBN:
0412562006 (9780412562006)