000 00335nam a2200145Ia 4500
100 _aPalange, Ralph C. & Zavala, Alfonso
020 _a0-8213-0967-6
365 _b12
942 _cBK
654 _a
245 _aWater pollution control
260 _aWashington
_bThe world bank
_c1987
082 _a628.168
300 _bPb
_axiv,212
999 _c370735
_d370735
041 _aeng