000 00356nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a81-7041-123-8
082 _a628.55
_bKAT
100 _aKatyal, T
245 0 _aEnvironmental pollution
260 _aNew Delhi :
_bAnmol Pub,
_c1998.
300 _a302
365 _a250
650 _aCivil Engineering
999 _c132145
_d132145