LEADER 01176nam0-22003371i-450 001 990001454920403321 005 20220629111912.0 010 $a0-12-613329-8 035 $a000145492 035 $aFED01000145492 035 $a(Aleph)000145492FED01 035 $a000145492 100 $a20010214d1972----km-y0itay50------ba 101 0 $aeng 102 $aGB 105 $aa---a---001yy 200 1 $aConservation and productivity of natural waters$ethe proceedings of a symposium organized jointly by the British ecological society and the Zoological Society of London,$eheld at the Zoological Society of London on 22 and 23 October, 1970$fedited by R.W. Edwards, D.J. Garrod 210 $aLondon$cAcademic Press$d1972 215 $axv, 318 p.$cill.$d25 cm 225 1 $aSymposia of the Zoological Society of London$v29 610 0 $aEcologia marina 676 $a574.5$v21$zita 702 1$aEdwards,$bR.W. 702 1$aGarrod,$bD.J. 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001454920403321 952 $aBSF- 574.5-ZSL-1$b64$fSC1 959 $aSC1 996 $aConservation and productivity of natural waters$9373953 997 $aUNINA