000			00338nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a8174888454
082			_a628
082			_bPAN
100			_aPandey G.N.
245		0	_aEnvironmental Science An
260			_aNew Delhi
260			_bAnmol Pub.
260			_c1998
300			_a405
999			_c37180 _d37180