In-flight noise measurements performed on the X-21A laminar flow aircraft
By: R. F. Carmichael and D. E. Pelke.
Contributors: Pelke, D. E.; Northrop Corporation. Norair Division
Publisher: Northrop Corporation, Norair Division
Published: 1964
Place of publication: [S.l.]
Number of pages: 56
Subjects: Noise measurement; X-21A aircraft
Notes: Bibliographical references: p. 16.

Contract number: AF33(600)-42052