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

Detalhes bibliográficos
Corporate Authors:	The World Resources Institute, The United Nations Environment Programme, The United Nations Development Programme
Formato:	Livro
Idioma:	English
Publicado em:	New York, New York Oxford University Press 1990
Assuntos:	Statistics. Resource management. World resources data tables. Condition and trends. Climate change.