TY  - BOOK
ED  - United States.
TI  - Vibration evaluation of aircraft propellers
PY  - 1970///]
CY  - [Washington, D.C.
KW  - Propellers, Aerial
KW  - Vibration
N1  - [Jan. 29, 1970]; Cover title; Distribution made by issuing office; [Advisory circular] AC 20-66; [Issued with perforations]; 4to; CRDP Program Historic Shelflist record
ER  -