LEADER 00843nam0-22002891i-450- 001 990003991480403321 005 20040115171058.0 035 $a000399148 035 $aFED01000399148 035 $a(Aleph)000399148FED01 035 $a000399148 100 $a20040115d1974----km-y0itay50------ba 101 0 $aeng 200 1 $a<>manual on methods for measuring$ePrimary production aquatic environments$fA.R. Vollenweider 205 $aII 210 $aLondon$cBlackwell Scien. Publ.$d1974 215 $a225 p.$d25 cm 300 $aBibl. Ing. Sanitaria 610 0 $aEcologia 700 1$aVollenweider,$bA.R.$0383849 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990003991480403321 952 $a15 G/4-49$binv.n. 1636$fDINID 959 $aDINID 996 $aManual on methods for measuring$9474527 997 $aUNINA