000			00335nam a2200133Ia 4500
005			20260205052316.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a338.761632 V42C
100			_aVaradarjan, D B
245		0	_aCost benefit analysis of biogas plant
260			_aDelhi _bAshish _c1995
300			_a115p.
942			_cBK
999			_c112267 _d112267