00726cam a2200253 a 4500 2025236 BD-DhUL 20171214113744.0 760716s1977 nyua b 001 0 eng 76026185 0125765509 2025236 LC eng LC NSL:R BD-DhUL TD745 .R36 628.3 RAI Ramalho, R. S. ( Introduction to wastewater treatment processes / R. S. Ramalho. New York : Academic Press, 1977. ix, 409 p. : ill. ; 24 cm. Includes bibliographies and index. Sewage Purification. ddc BK ANL 628.3 R165 77000000507129 233135 233135 0 0 ddc 0 628_300000000000000_RAI 0 NFIC 359573 DUSL DUSL GEN 1983-02-09 Purchased 628.3 RAI A213748 2017-12-14 1 2017-12-14 BK