01297cam a2200313 a 4500 2596734 BD-DhUL 20150113124042.0 970304s1999 fr a b i001 0 eng 97009771 1850703841 DLC DLC DLC BD-DhUL TD424.8 .A87 1998 628.168 21 ASS Assessment and control of nonpoint source pollution of aquatic ecosystems : a practical approach / edited by Jeffrey A. Thornton ... [et al.]. Paris : UNESCO ; New York, USA : Parthenon Pub. Group, c1999. xi, 466 p. : ill. ; 24 cm. GBP 79.99 Man and the biosphere series ; v. 23 Includes bibliographical references and index. Nonpoint source pollution. Water Pollution. Thornton Jeffrey A. ed. Publisher description http://www.loc.gov/catdir/enhancements/fy0646/97009771-d.html 7 cbc orignew 1 ocip 19 y-gencatlg ddc BK pc21 to ja00 03-04-97; jg02; jg03 03-05-97; jg08 03-06-97; bk rec'd, to CIP ver. ps04 12-06-99; CIP ver jg14 12-09-99; jg08 to BCCD 05-23-00; copy 2 added; jg22 06-01-00; to BCCD 06-01-00 gsl 30216 30216 0 0 ddc 0 628_168000000000000_ASS 0 NFIC 57268 DUSL DUSL GEN 2003-02-19 Purchased 628.168 ASS 399820 2015-01-13 2015-01-13 BK 0 0 ddc 0 628_168000000000000_ASS 0 NFIC 57270 DUSL DUSL GEN 2003-02-19 Purchased 628.168 ASS 441398 2015-01-13 2 2015-01-13 BK