122 



REFERENCES: J.B. Hersey 



BERANCK, LEO L. 1949. "Aeoustlc Measurements*. Wiley, New York. 



COLE, ROBERT H. 1948. "Underwater Explosions". Princeton Univ. Press. 

 Pr ince ton . 



KOENIG, WALTER and others. 1946. JASA 18 19-49. 



REFEREIVCES; H. Nash 



HOLT, LEE E. "The German Use of sonic Listening*. JASA 19,4. 678-681 July 1947 



URICK, R.J. "Some Directional properties of Deep-water Ambient Noise". 

 NRL report 3796, Jan. 16, 1951. 



