000			00337nam a2200145Ia 4500
008			230326s9999 xx 000 0 und d
020			_a9780070142763
082			_a333.79 _bKHA
100			_aKhan, B. H.
245		0	_aNon Convetional Energy Resources
250			_a2nd.
260			_a[s.l]: _b[s.n]. _c
300			_a455.
650			_a _a
999			_c16126 _d16126