00681nam a22001817a 4500 BD-DhUL 20180517155003.0 180517s2000 nyua|||| |||| 00| 0 eng d 928071810X BD-DhUL BD-DhUL 577.6315 UNP UNEP International Enternational Technology Centre Planning and management of lakes and reservoirs : an integrated approach to eutrophication : a students guide / UNEP International Enternational Technology Centre Osaka : UNEP International Enternational Technology Centre ; 2000 [2], iv, 67 p. : ill. ; 30 cm Lakes ddc BK 241365 241365 0 0 ddc 0 577_631500000000000_UNP 0 NFIC 366337 DUL DUL UNC 2018-05-17 GIFT 577.6315 UNP D22042 2018-05-17 2018-05-17 BK