TY  - BOOK
ED  - United States.
TI  - Ocean air traffic control
PY  - 1989///]
CY  - [Washington, D.C.
KW  - Air traffic control
KW  - United States
N1  - July 18, 1989; Shipping list no. : 89-486-P; CRDP Program Historic Shelflist record
ER  -