000 00601 a2200205 04500
001 2270
008 050605s1983 eng d
041 0 _aeng
082 0 _a628.3
_bS128s
110 2 _aWater Pollution Control Federation. WPCF
_952080
245 0 _aSafety and health in wastewater systems.
260 4 _aWashington.:
_bWPCF.
_c1983.
300 4 _a112. p.
490 _aManual of practice.
500 4 _aEstá en forma de folder
650 _aAGUAS RESIDUALES
_z-TRATAMIENTO
_952081
650 _aTratamiento de aguas
_952082
942 _2ddc
_cBK
999 _c2677
_d2677