Encyclopedia of transportation : social science and policy
Lexikon der Luftfahrt : [mit 2500 Begriffen und Abkürzungen]
Encyclopedia of aerospace engineering
Encyclopedia of aerospace engineering
The airline encyclopedia : 1909-2000 / Myron J. Smith ; Vol. 2: [Company profiles D - P]
The airline encyclopedia : 1909-2000 / Myron J. Smith ; Vol. 1: [Company profiles A - C]