Who is who at the Earth Summitt, Rio de Janeiro, 1992 : a cross-indexed directory of registered participants at the Earth Summit
1992
Environment
Vocabulário básico de meio ambiente
1990
Moreira, Verocai Dias |
Environment and land use in Africa
1969
Thomas, M. F. |
Whittington, G. W. |
International directory of sources : INFOTERRA, the International Environmental Information System
1992
Dictionnaire des sciences de l'environnement : terminologie bilingue français-anglais
Parent, Sylvain |
Macmillan dictionary of the environment
1988
Allaby, Michael |
Living in the environment : concepts, problems and alternatives
1992
Miller, G. Tyler |
Green pages : the business of saving the world
1988
Elkington, John |
Burke, Tom |
Hailes, Julia |