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010 _a 92102476
020 _a0412329700
040 _aUOEL
_cDLC
050 0 0 _aQH96.8.E9
_bH37 1992
082 0 0 _a574.5/2632
_220
100 1 _aHarper, David M.
245 1 0 _aEutrophication of freshwaters :
_brinciples, problems, and restoration /
_cDavid Harper ; with a chapter on the Norfolk Broads by Geoff Phillips.
250 _a1st ed.
260 _aLondon ;
_aNew York :
_bChapman & Hall,
_cc1992.
300 _aviii, 327 p. :
_bill. ;
_c24 cm.
504 _aIncludes bibliographical references (p. [279] -321) and index.
650 0 _aEutrophication.
650 0 _aEutrophication
_xControl.
906 _a7
_bcbc
_corignew
_d2
_encip
_f19
_gy-gencatlg
942 _2lcc
_cLL
999 _c3734
_d3734