Environmental controls in the Federal Republic of Germany and their implications for the developing countries [a] study by Lotz, Walter

Environmental design considerations for rural development projects

Natural resource conservation an ecological approach. by Owen, Oliver S.

McGraw-Hill encyclopedia of environmental science

Ecology and coal resource development based on the international congress for energy and the ecosystem, held at the University of North Dakota, Grand Forks, North Dakota, 12-16 Jun...

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Handbook of environmental engineering

Readings in environment, 1979-80.

Plants, people, and environment

The influence of technology in determining emission and effluent standards.

Plants, people and environment