TY  - BOOK
ED  - United States.
TI  - National airspace performance reporting system
PY  - 1988///]
CY  - [Washington, D.C.
KW  - Air traffic control
KW  - United States
KW  - Data processing
N1  - 6040.15B, Sept. 21, 1988; CRDP Program Historic Shelflist record
ER  -