01275cam a2200337 a 4500 332070 332070 12105039 NUST 20171109094836.0 000713s1999 enka b 001 0 eng d 00269862 GB99-48524 0340676450 (pbk.) 0470236329 (Wiley) (OCoLC)ocm41652200 EUN EUN UKM OIP DLC lccopycat TD365 .G73 1999 628.16 GRA 21 Gray, N. F. 6217 Water technology : an introduction for scientists and engineers / N.F. Gray. London : Arnold ; New York : Wiley, 1999. xi, 548 p. : ill. ; 25 cm. H.B Includes bibliographical references and index. Water quality management. 4954 Sewage disposal. 392 Freshwater biology. 6218 Water quality biological assessment. 6219 Publisher description http://www.loc.gov/catdir/description/els031/00269862.html Table of contents http://www.loc.gov/catdir/toc/els031/00269862.html 7 cbc copycat 2 ncip 20 y-gencatlg ddc BK IESE 0 0 ddc 0 0 NFIC IESE IESE GEN 2017-11-09 0 628.16 GRA IESE-433 2017-11-09 2017-11-09 BK