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 June, 1978, vol. 1 - International Congress for Energy and the Ecosystem (1978 : University of North Dakota); Wali, Mohan K. (New York : Pergamon, 1979)
Includes bibliographical references and index.
Keywords: Coal -- Congresses; Coal mines and mining -- Congresses; Energy policy -- Congresses; Environmental protection -- Congresses