Konstantinov, A.S. 1958. Biology of the Chironomidae and their breeding. 

 Jr. Saratovskogo otd. GosNIORKh, Vol. 5, Saratov. 



Krylov, O.N. 1973. Change in certain physiologic indexes of fish, eggs and 

 larvae under the influence of chlorophos, entobacterin and the lepidop- 

 ter nuclear polyedrosis virus. Eksper. vodn. toksikologiya, Vol. 5, 

 Riga, USSR, pp. 97-116. 



Lesnikov, L.A. 1971. Method of estimating the influence of water from 

 natural reservoirs on Daphnia magna Straus . Methods of biological 

 studies of water toxicology, Moscow, Nauka Press, pp. 157-155. 



Lesnikov, L.A. 1973. Methodologic instructions for establishment of maxi- 

 mum permissible concentrations of harmful substances in bodies of water 

 used for fishing. Leningrad. 



Lesnikov, L.A. 1975. A research system for developing fisheries standards 

 for water quality, considering the peculiarities of transferring experi- 

 mental data to natural water bodies. Proc. Second USA-USSR Symposium on 

 the Effects of Pollutants Upon Aquatic Ecosystems, June 22-25, Borok, 

 USSR, EPA-600/3-78-076. 



Lisovskaya, E.V., L.V. Grigor'yeva, and Z.I. Zholdakova. 1968. Sanitary- 

 hygienic and toxicologic prerequisites for use of monuron to combat 

 "blooming" of water in drinking reservoirs. Tsveteniye vody (Blooming 

 of water), Kiev, Naukova dumka Press, pp. 294-300. 



Lloyd, L.S., Jr. 1976. Chronic effects of low levels of hydrogen sulfide 

 on freshwater fish. Proc. of First and Second USA-USSR Symposium on 

 the Effects of Pollutants Upon Aquatic Ecosystems, EPA-600/3-78-076, 

 113-21. 



Lloyd, L.S., Jr., D.M. Oseid, I.R. Adelman, and S.J. Brederius. 1976. Ef- 

 fect of hydrogen sulfide on fishes and invertebrates. Part 1. Acute 

 and chronic toxicity studies. EPA-600/3-75-062a. 



Macek, K.J., M.A. Lindberg, S. Sauter, K.S. Baxton, and P. A. Cesta. 1976. 

 Toxicity of four pesticides to water fleas and fathead minnows, acute 

 and chronic toxicity of acrolein, heptachlor, endosulfan and trifluralin 

 to water flea ( Daphnia magna ) and fathead minnow ( Pimephales promelas ). 

 EPA-600/3-76-099. 



Mancy, K.H. and H.E. Allen. 1977. A controlled bioassay system for mea- 

 suring toxicity of heavy metals. EPA-600/3-77-037. 



Mayer, F.L., P.M. Mehre, and W.P. Dwyer. 1975. Toxaphene effects on re- 

 production, growth and mortality of brook trout. EPA-600/3-75-013. 



Mayer, F.L. 1976. Residue dynamics of di-2-ethylhexylphthalate in fathead 

 minnows ( Pimephales promelas ). J. Fish, Res. Board Canada, Vol. 33, 

 2610-13. 



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