TY  - BOOK
TI  - Standard Method of Estimating  Direct Operation Costs Of Transfort Airplanes
U1  - 338.47387 
PY  - 1960///
CY  - Washington, D. C.
KW  - Airlines. Cost Of Operation
N1  - Earlier Edition Published In 1957, Under Title Standard Method Of Estimating Direct Operating Costs Of Transport Airplanes
ER  -