Recent NACA investigations of noise reduction devices for full-scale engines
By: Edmund E. Callaghan, Newell D. Sanders and Warren J. North.
Contributors: North, Warren J.; Sanders, Newell D.; Institute of the Aeronautical Sciences (U.S.)
Publisher: Institute of the Aeronautical Sciences
Published: 1955
Place of publication: New York
Notes: Preprint, no. 515.

Bibliography: p. 7-8.

Source: Presented at the 23rd Annual Meeting, January 24-27, 1955