000 01176cam a22003011 4500
100 _aBlackwell, L. G. ( Larry G. )
041 _aeng
710 _aWater Environment Federation . Task Force on Instrumentation in Wastewater Treatment Facilities
245 _aInstrumentation in wastewater treatment facilities
245 _bPrimer for computerized wastewater applications
260 _bWater Environment Federation
260 _aAlexandria, Va.
260 _c1993
260 _c1993
270 _dUS
300 _axxiv , 332 p. : ill. ; 25 cm.
440 _aManual of practice
440 _nno. 21
245 _cprepared by Task Force on Instrumentation in Wastewater Treatment Facilities , Harold D. Gilman , chairman ; L.G. Blackwell ... [ et al. ]
500 _aIncludes bibliographical references and index
500 _a"[Prepared] under the direction of the Facilities Development Subcommittee of the Technical Practice Committee"
020 _a188136934x
650 0 _aSewage disposal plants - Equipment and supplies
650 0 _xTD
050 _aTD746.I57 1993
942 _cPRINT
999 _c69621
_d69623
970 _a51
_bMohamad Barham
_c51
_dMohamad Barham