01071nam a2200277 a 4500 43675 BD-RjUL 20211209053732.0 160626s1979 nyua 100 0 eng 0080238637 (BD-RjUL)43793 DLC DLC BD-RjUL eng eng 333.82 23 ECO 1979 International Congress for Energy and the Ecosystem (1978 : University of North Dakota) 134197 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 / edited by Mohan K. Wali. New York : Pergamon Press, c1979. Vol. : ill. ; 25 cm. Vol. 2- Coal Congresses. 134198 Coal mines and mining Congresses. 134199 Energy policy Congresses. 134200 Environmental protection Congresses. 134201 Wali, Mohan K. 134202 ddc BK 43675 43675 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1983-02-28 Asia foundation 0 333.82 ECO V-2 1979 2016-06-26 00:00:00 C-2 2016-06-26 BK