A progress report on the naval aviators' speech discrimination test
In: http://hdl.handle.net/2027/mdp.39015095158047
"Released by Captain N. W. Allebach, MC, USN, Officer in Charge." ; "Ashton Graybiel, M. D., Assistant for Scientific Programs." ; "A34-531-561/70F12524402." ; "Naval Air Systems Command." ; "MF 12.524.005-7011B." ; "Bureau of Medicine and Surgery." ; "29 June 1970." ; N71-21061. ; Ad 716 766. ; Includes bibliographical references (page 7). ; Mode of access: Internet.