Defant, A., "Uber Interne Wellen, Besonders Solche Mit 

 Gezeitencharakter, " Deutsche Hydrographische Zeitschrift , 

 v. 5, p. 231-245, 1952 



Demoll, R., "Temperaturwellen (= Seiches ) und 

 Planktonwellen," Archiv fiir Hydrobiologie , v. 13, p. 313- 

 320, 1922 



* Deryugin, K. M. , "On Internal Waves in the Eastern 

 Part of the Gulf of Finland," Hydrological Conference of 

 the Baltic States, v. 3, 1933 ~ 



Dietrich, G. , General Oceanography , p. 384-393, Inter- 

 science Publishers, 196s 



Dikii, L. A., "On the Stability of Plane Parallel Flows of 

 an Inhomogeneous Fluid," Applied Mathematics and 

 Mechanics , v. 24, p. 357-369, 1960 



Drazin, P. G. , "The Stability of a Shear Layer in an 

 Unbounded Heterogeneous Inviscid Fluid," Journal of Fluid 

 Mechanics , v. 4, p. 214-224, June 1958 — — 



Eckart, C. H. , Hydrodynamics of Oceans and Atmospheres , 

 Pergamon, 196 



Eckart, C., "internal Waves in the Ocean," Physics of 

 Fluids, v. 4, p. 791-799, July 1961 ~~ 



Ekman, V. W. , "On Dead Water," in Nans en, F. , Ed., 

 The Norwegian North Polar Expedition, 1893-1896; 

 Scientific Results, v. 5, no. 15, Longmans Green, 1906 



Ekman, V. W., "On Internal Waves," International Council 

 for the Exploration of the Sea, Rapports et Proces Verbaux 

 des Reunions, v. 76, p. 5-31, 1931 



Not verified 



27 



