000 00287nam a2200121Ia 4500
008 220104s9999 xx 000 0 und d
041 _aENGLISH
082 _a628
100 _aM.Anji Reddy
245 0 _aText book of Envionmental Science and Techmology
260 _bBSP
942 _cBK
999 _c187496
_d187496