Helicopters BALTIJAS HELICOPTERS Latvia CPJ Baltimore Air Transport CORPJET United States EAH Baltimore Airways EASTERN United States BTK Baltyka BALTYKA
Mechanical Age: Technological Invention in the United States 1790-1865. Baltimore, MD: The Johns Hopkins University Press. ISBN 978-0-8018-9141-0. Hounshell
"On this basis the following rail lines may merit future investigation on their feasibility for accommodating a lightrail and/or busway type of passenger