The depths of the ocean : a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic /
by Sir John Murray and Johan Hjort ; with contributions from Professor A. Appellof, Professor H. H. Gran and Dr. B. Helland-Hansen
- London : Macmillan, 1912
- xx, 821 p. : ill., ports., maps ; 25 cm.