publisher: Worldwatch Institute
format: paperback
language: English
ISBN:
1878071351 (9781878071354)
publisher: W. W. Norton & Company publish date: September 17th 1998
format: paperback pages: 304
language: English
ISBN:
0393318524 (9780393318524)
publisher: Worldwatch Institute
publish date: January 1st 2001
format: hardcover pages: 86
language: English
ISBN:
1878071572 (9781878071576)
publisher: Worldwatch Institute
publish date: August 1st 1991
format: paperback pages: 67
language: English
ISBN:
1878071254 (9781878071255)
publisher: Worldwatch Institute
publish date: 1997
format: paperback pages: 66
language: English
ISBN:
187807136X (9781878071361)