000			00341nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
082			_a338
082			_b04 TAN
100			_a"Tandon, B. C."
245		0	_aEnvironment And Entrepre
250			_a1975
260			_aAllahabad
260			_bChugh Pub.
260			_c1975
300			_ax-131
999			_c33553 _d33553