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100   $a20030527d--------km-y0itay50------ba
101 0 $aeng
200 1 $aPublic health engineering$eA textbook of the principles of environmental sanitation.$vvol. II$fEarle B. Phelps
210   $aNew York$cJohn Wiley$d1950
215   $aVII,213 p.$d22 cm
300   $aBibl. Ing. Sanitaria
610 0 $aIGIENE
700  1$aPhelps,$bEarle B.$067517
801  0$aIT$bUNINA$gRICA$2UNIMARC
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952   $a15 F/7-20$binv. n.74$fDINID
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996   $aPublic health engineering$9376891
997   $aUNINA