TY  - BOOK
ED  - United States.
TI  - Change 1 to standards for airport sign systems
PY  - 1991///]
CY  - [Washington, D.C.
KW  - Airports
KW  - Marking
KW  - Standards
KW  - United States
N1  - Nov. 13, 1991; Shipping list no. : 92-0073-P; CRDP Program Historic Shelflist record
ER  -