TY  - BOOK
AU  - Lansing, John B.
AU  - Lilienstein, Ernest
ED  - American Airlines and others
TI  - The travel market 1955
U1  - 910.2 
PY  - 1963///
CY  - Ann Arbor
PB  - Survey Research Center, University of Michigan
KW  - Travel - Statistics
KW  - Consumers preferences
ER  -