TY  - BOOK
ED  - United States.
TI  - Improvement of operating conditions TRACON facilities
PY  - 1970///]
CY  - [Washington, D.C.
KW  - Radar air traffic control systems
KW  - United States
N1  - June 9, 1970; Cover title; 4to; [Issued with perforations. Cancels handbook 6000-7A]; Distribution made by issuing office; CRDP Program Historic Shelflist record
ER  -