V. REFERENCES 



(1) "Water Mass Boundary Temperature Measurements in Support of Under- 

 water Sound Propagation Experiments," Owen S. Lee, Marine Environment 

 Division, US Naval Electronics Laboratory, 1965 



(2) "Normal Mode Theory Applied to Short-Range Propagation in an Under- 

 water Acoustic Surface Duct," Melvin A. Pedersen and David F. Gordon, 

 J.A.S.A. 37, 105, 1965 



(3) "Internal Waves: Their Influence Upon Naval Operations," Arthur D. 

 Little, Inc., Report No. 4090266, Department of the Navy, Bureau of 

 Ships, Contract NObsr- 98055, 1966 



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