230 



AUDITION IN SONAR OPERATION 



66. YouTz, R. E. P., & Stevens, S. S. On the 



pitch of frequency modulated tones. Amer. 

 J. Psychol., 1938, 51, 521-526. 



67. Final report on temporary deafness following 



exposure to loud tones and noise. Prepared 

 by the Committee on Medical Research of 

 the Office of Scientific Research and De- 

 velopment. Boston, Mass., Dept. of Phys- 

 iology, Harvard Medical School, 1943. 

 Reported under contract OEM cmr-194 (H. 

 Davis, C. T. Morgan, J. E. Hawkins Jr., R. 

 Galambos, and F. W. Smith). 



68. Masking experiments. Report No. U258. 



University of California Division of War 

 Research at the U. S. Navy Radio and 

 Sound Laboratory, San Diego, California. 

 Sept. 15, 1944. 



69. O.S.R.D. Report No. 889. July 31, 1942. 



70. Studies of the recognition of submarine echoes. 



File report No. M431. Sonar Data Division, 

 University of California Division of War 

 Research at the U. S. Navy Electronics 

 Laboratory, San Diego, Calif. Sept. 30, 

 1946. 



