000 00448nam a2200181Ia 4500
008 180424s9999 xx 000 0 und d
020 _a818781585X
084 _a574.5 A20
100 _a"Ayodhya Singh, "
245 0 _aTextbook of Environmental Chemistry
250 _a\\200200ENGGPSX
260 _aCampus Books
260 _b2002
260 _cNew Delhi
300 _a342p.
500 _aincludes index and biblioraphy
942 _cBK
999 _c67265
_d67265