UNEP
The state of the environment 1985 : environment aspects of emerging agricultural technologies, population and the environment - 1984 United Nations Environment Programme - v. ill., maps 27 cm
9280710923
ENVIRONMENTAL PROTECTION
ENVIRONMENTAL POLICY
POPULATION POLICY
POPULATION PRESSURE
AGRICULTURAL DEVELOPMENT
NEW TECHNOLOGIES
AGRICULTURE
The state of the environment 1985 : environment aspects of emerging agricultural technologies, population and the environment - 1984 United Nations Environment Programme - v. ill., maps 27 cm
9280710923
ENVIRONMENTAL PROTECTION
ENVIRONMENTAL POLICY
POPULATION POLICY
POPULATION PRESSURE
AGRICULTURAL DEVELOPMENT
NEW TECHNOLOGIES
AGRICULTURE