00940nam a2200289 a 4500 3453769 20150401152419.0 000 000 000 92102476 0412329700 UOEL DLC QH96.8.E9 H37 1992 574.5/2632 20 Harper, David M. Eutrophication of freshwaters : rinciples, problems, and restoration / David Harper ; with a chapter on the Norfolk Broads by Geoff Phillips. 1st ed. London ; New York : Chapman & Hall, c1992. viii, 327 p. : ill. ; 24 cm. Includes bibliographical references (p. [279] -321) and index. Eutrophication. Eutrophication Control. 7 cbc orignew 2 ncip 19 y-gencatlg lcc LL 3734 3734 0 0 lcc 0 0 UOE UOE GEN 2015-04-01 0 QH96.8.E9 H37 1992 10050331 2026-04-27 12:17:18 10050331 2015-04-01 LL