00843nam0-22002891i-450-99000399148040332120040115171058.0000399148FED01000399148(Aleph)000399148FED0100039914820040115d1974----km-y0itay50------baeng<<A >>manual on methods for measuringPrimary production aquatic environmentsA.R. VollenweiderIILondonBlackwell Scien. Publ.1974225 p.25 cmBibl. Ing. SanitariaEcologiaVollenweider,A.R.383849ITUNINARICAUNIMARCBK99000399148040332115 G/4-49inv.n. 1636DINIDDINIDManual on methods for measuring474527UNINA