000			00347nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a8171694462
082			_a628
082			_b5 SHU
100			_aShukla S.K.
245		0	_aEncyclopedia Of Environm
260			_aNew Delhi
260			_bCommonwealth Pub.
260			_c1997
300			_a344
999			_c36166 _d36166