000			00328nam a2200133Ia 4500
005			20260224040758.0
008			260224s9999||||xx |||||||||||||| ||und||
082			_a333.7 KUM
100			_aKumar, A.
245		2	_aA textbook of environmental science
260			_aNew Delhi: APH Publications _c2004
300			_a376
942			_cBK
999			_c481 _d481