000			00374nam a2200133Ia 4500
008			211119s9999||||xx |||||||||||||| ||und||
082			_a577 _bTYA-U
100			_aTyagi, Anil
245		0	_aUgc Net/set Environmental Science
260			_bDanika Publishing _a2013 _cNew Delhi
300			_a568p
650			_aScience _vEcologyGeneralia _xReference Reading Room
942			_cBOOK
999			_c116143 _d116143