00562cam a22001814a 4500003001000000005001700010008004100027040002500068041000800093044000800101080000800109100001800117245013500135260003800270650003300308655001900341700002000360AR-SsjUIB20250710162754.0250429s1949    xxk           000 0 eng d  aAR-SsjUIBcAR-SsjUIB0 aeng  axxk  a6281 aEscritt, L.B.14aThe work of the sanitary engineer :ba textbook on water supply, sewerage and the sanitation of buildings, rewritten and enlarged.  aLondon :bMacdonald-Evans,c1949. 7aIngeniería sanitaria2lemb 7aLibro2unescot1 aRich, Sidney F.