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1464. Lebedev, V. V. 



1940. Novye formuly rosta I'da v arkticheskikh rekakh i moriakh. 



(New formulas of the growth of ice in Arctic rivers and seas.) 

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1465. Lednev, V. A., V. I. Prishletsov i V. S. Samoilenko. 



1939. Instrukfsiia dlia proizvodsta ledovykh nabliudenii na sudakh. 



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1942. . . . Rukovodstvo dha prognozov tolshchiny ledfanogo pok- 



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1469. Ludensee, S. 



1928. Meereisbeobachtungen vom flugzeug aus. Ann. hydrogr.. 



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1470. Ludlow, WiUiam. 



1884. Observations on the crushing strength of ice. Proc. Engrs. 



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1471. Macy, R. H. 



1940. Icebreakers. Proc. U.S. Nav. inst. 66:669-674. 



1472. *Malmgren, Finn. 



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1473. Mariutin, T. P. 



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1474. Markham, C. R. and H. R. Mill. 



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1475. ♦Maurstad, A. 



1935. Atlas of sea ice. Geofys. publ. 10(11). 17 pp. 40 figs, 



1476. Mecking, Ludwig. 



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