000 00519nam a2200217Ia 4500
008 180514s9999 xx 000 0 und d
020 _a81-89722-28-6
082 _a620.8/Si94B
084 _aDDC
100 _aP. Sivashanmugam
245 0 _aBasics of Environmental science and engineering
260 _anew delhi
260 _bNew india publishing agncy
260 _c2007
300 _a368
942 _cBook
999 _c2147
_d2147