REFERENCES 



1. National Defense Research Committee. Division 6 Report 6. 1- 

 NDRC-1848, Survey of Underwater Sound: Report No. 3; Ambient 

 Noise , by V. O. Knudsen and others, 26 September 1944 (PB 31021) 



2. Wenz, G. M. , "Acoustic Ambient Noise in the Ocean: Spectra 

 and Sources," Acoustical Society of America. Journal , v. 34, 



p. 1936-1956. December 1962 



3. Navy Electronics Laboratory Technical Memorandum 840, 

 Effect of Winds on the Underwater Low Frequency Ambient Noise 

 Recorded at a Location Off the West Coast of the United States , 

 by W. L. Frisch and T. S. Scanlan, 8 September 1965* 



4. Fleet Numerical Weather Facility, Monterey, California, 

 Operational Forecasts of Sea and Swell , by W. E. Hubert, (1964) 



5. Fleet Numerical Weather Facility, Monterey, California, 

 Numerical Environmental Prediction Progress Report , May 1964 



6. Navy Electronics Laboratory Report 938, Third-Octave Digital 

 Analyzer (TODA), by J. V. Schaefer, 16 December 1959 



7. Navy Electronics Laboratory Report 1286, Modification of 

 Third-Oct ave Digital Analyzer (TODA) , by R. E. Cruse, 



10 May 1965 



8. Cummings, W. C. and Thompson, P. O. , "20-Hz Signals in 

 the Northeast Pacific," in Third U. S. Navy Symposium on 

 Military Oceanography , CONFIDENTIAL, 1966 (In press) 



9. Von Arx, W. S. , An Introduction to Physical Oceanography, 

 p. 68, Addison - Wesley Publishing Company, Incorporated, 1962 



NEL technical memoranda are informal documents intended 

 primarily for use within the Laboratory. 



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