1 ICE OF NORIMKRI^ iiEMISPHEBE 



70. Ivanov, B. 



1940. Reguliarnye plavaniia v zimnikh usloviiakh. (Regular navi- 



gation during ■winter conditions.) Sovetskaia arktika. 

 1940(5) :70-75. 



71. Ivanov, I. M. 



1938. Severnyi Ledovityi Okean. Arkhangel'sk, Arkh. obi. izd. 



135 p. tables. Bibliography. 



72 . Karelin, D. B. 



1937 . Izokhrony zamerzaniia i vskrytiia pribrezhnoi zony poliarnykh 



morei Soiuza v zimu 1934-35 goda. (Freezing and opening 

 isochroms of the coastal region in the Polar seas of the 

 USSR in the winter 1934/35.) Severnyi morskoi put'. 

 6:88-97. 



73. Karelin, D. B. 



1937. Ledovyi pokrov poberezh'ia Sovetskoi arktiki. (Ice cover on 



the Soviet Arctic coasts.) Met. i gidrol. 3(2):43-50. 



74. Karelin, D. B. 



1937. Nekotorye dannye o ledianom pokrove Arktiki. (Some data 



on ice-cover in the Arctic.) Priroda. 26(6):32-38. [1. 

 The growth of ice. 2. Forecasting the dates of break-up 

 and freezing.] 



75. Karelin, D. B. 



1938. Dvizhenie poliarnykh I'dov. (Drift of polar ice.) Priroda. 



1938(3) :16-21. 



76. Karelin, D. B. 



1938. Ledovnye nabliudenie poliarnykh stan£sii. (Ice observations 



of the Polar stations.) Sovetskaia arktika. 1938(2) :51-52. 



77. Karelin, D. B. 



1938. sviazi termicheskogo i ledovogo rezhima v arkticheskikh 



moriakh. (Relation of temperature and ice cycles in Arctic 

 seas.) Problemy arktiki 1938(2) :145-152. 



78. King, Richard. 



1836. Narratives of a journey to the shores of the Arctic Ocean, 



1833-1835, under the command of Capt. Back. London. 

 2 v. 



79. Kissler, F. 



1934. Eisgrenzen und eisverschiebungen in der Arktis zwischen 



50° W und 105° in 34 jahrigen zeitraum 1898-1931. 

 Beitr. geophys. 42:12-55. 



80. Knipovich, N. M. 



1905. Hydrologische untersuchungen im Europaischen Eismeer. 



Ann. hydrogr., Berlin. 33:193-205, 241-260, 289-308, 

 337-346. 



81 . Koch, Lauge. 



1926. Ice cap and sea ice in North Greenland. Geogr. rev. 16: 



98-107. 



