Uspenskaya, A . V . 



1955. Biology, distribution and eco- 

 nomic importance of Myxosoma 

 cerebralis , the causative agent of 

 the ovist disease of trout. Lec- 

 tures of the Academy of Science, 

 USSR. Vol. 105, no. 5, pp. 1132- 

 1135. 



1957. The ecology and spreading of the 

 pathogen of Myxosoma cerebralis 

 (Hofer, 1903; Plehn, 1905) of trout 

 in the fish ponds of the Soviet Union. 

 (In Parasites and Diseases of Fish, 

 ed. byG. K. Petrusheveski. Vol. 

 42, Bulletin, Institute of Fresh- 

 water Fisheries. English Trans- 

 lation --Office of Technical Services, 

 U.S. Department of Commerce, 

 Washington, pp, 47-55). 



Snleszko, S. F. and K. Wolf. 



1958. Infectious pancreatic necrosis of 

 salmonid fishes . U.S. Fish and 

 Wildlife Service, Fishery Leaflet 

 453. 

 Vanco, R. 



1952. Contribution a I'etude de la path- 

 ologic des alevins de truite. Paris, 

 92 pp. 



Volf, F. 



1957. The first cases of the whirling 

 disease among our salmonid fish in 

 our hatcheries. Sbornik Ceskosloveske 

 Akad. Zemedelskych ved. Zivocisna 

 Vyroba. Rocnik 2(XXX), pp. 425-428. 



Ward, H. 



1919. Notes on North American Myxo- 

 sporidia. Journal of Parasitology, 

 Vol. 6, no. 2, pp. 49-64. 



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