000 00365nam a2200133Ia 4500
008 211209s2008 xx 000 0 und d
020 _a81-224-1097-9
041 _aeng
082 _a628 N97 ELA/SAS(660.2842)
100 _aELANGOVAN R
245 _aUNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING
260 _aNEW DELHI
_bNEW AGE INTERNATIONAL
_c2008
300 _a178
999 _c57749
_d57749