000			00380nam a2200145Ia 4500
008			170101s2015 xx 000 0 und d
020			_a9788183711111
100			_aRaghavan Nabiar K
245		0	_aEnvironmental Studies Textbook Of
260			_aChennai _bScitech Publications _c2015
300			_a8
650			_aEnvironmental Science
650			_aGeneral
942			_2ddc _cBK
999			_c773643 _d773643