000 00282nam a2200121Ia 4500
008 211209s2008 xx 000 0 und d
020 _a0074633781
041 _aeng
100 _aPANDEY G N
245 _aENVIRONMENTAL ENGINEERING
260 _aNEW DELHI
_bTMH
_c2008
300 _a455
999 _c52994
_d52994