World Resources 1990-91. A report by the World Resources Institute in collaboration with UNEPand UNDP.

Detaylı Bibliyografya
Kurumsal yazarlar:	The World Resources Institute, The United Nations Environment Programme, The United Nations Development Programme
Materyal Türü:	Kitap
Dil:	English
Baskı/Yayın Bilgisi:	New York, New York Oxford University Press 1990
Konular:	Statistics. Resource management. World resources data tables. Condition and trends. Climate change.