Filimonova, V.I. 1974. The influence of baitex on some representatives 

 of aquatic fauna in the Karelia. Gidrobiol. zh., V. 10, N. 3. 



Frear, D.E., J.E. Boyd. 1967. Use of Vaphnla magna for the microbio- 

 assay of pesticides. I. Development of standardized techniques for 

 rearing Vaphnla and preparation of dosage-mortality curves for pesti- 

 cides. J. Entomol., V. 60, N. 5. 



Katz, M. 1971. Toxicity bioassay technique using aquatic organisms. 

 Wat. and Wat. Pollution Handb. N.Y., V. 2. 



Knepp, G. 1969. Investigations of self-purifying capacity of rivers and 

 its disturbances by industrial sewage. In Coll.: Limnological In- 

 vestigations of the Danube. Kiev. 



Komarovski, F.Ya. 1972. Experimental investigations of the toxicity of 

 the complex substances "Monurox" for fishes under the conditions of 

 long-term experiment. In Coll.: Experimental Aquatic Toxicology. 

 Riga, N. 3. 



Komarovski, F.Ya., N.A. Popovitch. 1971. Investigations of the toxic 

 effect of urea derivatives on fishes under the conditions of long- 

 term experiment. In Coll.: Experimental Aquatic Toxicology. Riga, 

 N. 2. 



Liebmann, H. 1960. Handbuch der Frishwasser und Abwasser Biologie. 

 Munchen-R. Oldenburg. 



Lesnikov, L.A. 1971. Methods of evaluation of the influence of water 

 from natural water-bodies on Vaphnla magna. In Coll.: Metodiki 

 biol. issled po vodnoi toksikol., M. 



Malyarevskaya, A.Ya., T.I. Birger, q£ al. 1973. The influence of the 

 blue-green algae on metabolism in fishes. Kiev. 



Osetrov, V.I. 1968. On the application of cytochemical methods in 



studies of the living activities of the blue-green algae. In Coll.: 

 Bloom of Water. Kiev, Issue 1. 



Stanislawska, J. 1969. Zastosowanie biotestow do wydrywania substancji 

 chemichnych w wodzie. Ecol . Polska, V. 15, N. 3. 



Stroganov, N.S. 1971. Methods of determination of toxicity of water 

 medium. In Coll.: Methods of Biological Investigations in Aquatic 

 Toxicology. M. 



United States Environmental Protection Agency. 1972. Pesticides in the 

 Aquatic Environment. Wash., D.C. 



Winberg, G.G. 1960. Primary production of waters. Minsk. 



112 



