000			00348 a2200133 4500
080			_a620.9 _bI 61 B
245	1		_aBackground papers
260			_aNew Delhi _bTata Energy Research Institute _c1981
650			_aEnergy Data Systems
100			_a _d
300			_aVarious paging
040			_aIARI, New Delhi
901			_a177787
999			_c76937 _d76937