000 00759cam a2200241ua 4500
001 22792
005 20171214164200.0
007 ta
008 061218s1984 a g b000 u eng u
020 _a0632006161
_cUKP 32.50
040 _aMAIN
041 1 _aeng
_hNULL
082 1 4 _a553.7
_bDOW/M
100 1 _aDowning, John A .
245 0 0 _aA manual on methods for the assessment of secondary productivity in fresh waters /
_cedited by John A. Downing and Frank H. Rigler.
260 _aLondon :
_bBlackwell Scientific Publns. ,
_c1984.
300 _a501p. :
_bills ;
_c22cm .
365 _aUKP 32.50
504 _aIncludes bibliographical references and index
653 0 _aFRESHWATER PRODUCTIVITY
700 1 _aRigler, Frank H .
942 _cBK
999 _c22471
_d22471