000 003170000a22001330004500
245 _aDisposal of sewage : and other water borne wastes
100 _aImhoff, Karl [et al.]
250 _a2d ed.
260 _aLondon
_bButterworths
_c1971
300 _a405 p.
080 _a628.3
_bI5
041 _aEN
942 _cBK
999 _c104017
_d104017