TY  - BOOK
ED  - United States.
TI  - Briefing guide
PY  - 1979///]
CY  - [Washington, D.C.
KW  - Air traffic controllers
KW  - United States
KW  - Handbooks, manuals, etc
N1  - 4/1/79; CRDP Program Historic Shelflist record
ER  -