77. Cherfas, B. I. 



1940. Rybovodstvo v yestestvennykh vodoyemakh (Fishery in natural water systems). 

 Pishchepromizdat . 



78. Shtraich, G., and E. Svetozarov 



1940. Znacheniye vneshnikh faktorov v polovom tsikle kholodnokrovnykh (The importance 

 of the internal factors in the sexual cycle of cold-blooded animals). Doklady 

 ANSSSR, t. 29, No. 8-9. 



79. Yudanova, O. N, 



1939. Sezonnye izmeneniya zhimosti murmanskoy sel'di (Seasonal variations in the fat 

 content of the Murman herring) . Trudy PINRO, vyp. 4. Pishchepromizdat. 



80. Yudanov, I. G. 



1939. Rost sel'di, Sbomik rabot, Biologiya i promysel murmanskoy sel'di (The growth of 

 the herring: Collection of papers on the biology and catch of the Murman herring). 

 Pishchepromizdat. 



81. Broch, H. 



1908. Norwegische Heringsuntersuchungen wShrend der Jahre 1904--1906, Bergens 

 Museum Aarbog, 1 . 



82. Clark, F.N. 



1934. Maturity of the California Sardine (Sardina caerulea Walb.). Fish Bulletin, No. 42. 



83. Cimningham, J. T. 



1895. The ovaries of Fishes. Joum. Mar. Biol. Assoc, vol. 3. 



84. Franz, V. 



1910. Die Eiproduktlon der SchoUe (Pleuronectes platessa L.), Wissensch. Meeresunters . , 

 Abt. Helgol., N. F., Bd. 9, Heft 2. 



85. Graham, M. 



1924. The annual Cycle in the life of the mature cod in the North Sea. Fishery Invest. , 

 ser. 2, vol. 6, No. 6. (Min. Agr. Fish.). 



86. Heincke, F. 



1898. Die Naturgeschichte des Herings, Bd. 2. 



87. Hickling, C. F. 



1930. The Natural History of the Hake. Fishery Invest., Series 2, vol. 12, No. 1. 

 (Min. Agr. Fish.). 



88. Hickling, C. F., and E. Rutenberg 



1936. The ovary as an Indicator of the Spawning Period in Fishes. Joum, Marine Biolog. 

 Assoc, t. 21, No. 1. 



89. Hjort, J. 



1914. Fluctuations in the great fisheries of Northern Europe, Rapports et Proces Verbeaux 

 des Reunions, vol. 20. (Cons. Perm. Int. Expl. Mer). 



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