An agenda of science for environment and development into the 21st century : based on a conference held in Vienna, Austria in November 1991 1992 Dooge, James |
Conservation and environment in Papua New Guinea : establishing research priorities : proceedings of a symposium held June 3, 1991, Bishop Museum, Honolulu, Hawaii 1991 Pearl, Mary |
WICEM II : Second World Conference on Environmental Management, 10-12 April 1991, Rotterdam : conference report and background papers 1991 Willums, Jan-Olaf | Golüke, Ulrich |
Ecosocial systems and ecopolitics : a reader on human and social implications of environmental management in developing countries 1977 Deutsch, Karl W. |
The world environment handbook : a directory of natural resource management agencies and non-gouvernmental environment organizations in 145 countries 1985 Baker, Mark | Bassett, Libby | Ellington, Athleen |
Guatemala : proyecto de manejo y conservación de los recursos naturales renovables de la cuenca del Rio Chixoy 1991