TM Wo. 306 



REFERENCES 



Volkmann, Gordon, John Knauss, 8e Allyn Vine, 1956: The Use of 

 Parachute Drogues in the measurement of subsurface ocean currents. 

 Trans. Amer. Geophys. Union, 37? 573 - 77- 



Marine Acoustical Services, Inc., Vessel and Technical Services 

 for Research in Underwater Acoustics and Oceanography. I962. 

 Copy Wo. 832 pp. F-2,3. 



The Decca Navigator System as an aid to Survey. (issue 5) 

 The Decca Navigator Company, Limited, London, England. 



