000 00411cam a2200157ua 4500
041 _aeng
_h
082 _a628.01
_bPHE/PU
100 _aPhelps, Earle,B .
245 _aPublic health engineering,Vol.I /
_cEarle Phelps,B.
_hTextual Documents
260 _aNew York :
_bJohn Wiley & Sons ,
_c1957.
300 _a655 ; .
504 _a
700 1 _aVeiz, Clarence,J .
942 _cBK
999 _c328256
_d328256