TY  - BOOK
T1  - Air travel a social history
A1  - Hudson, Kenneth
LA  - English
PP  - Totowa, N. J.
PB  - Rowman and Littlefield
YR  - 1972
UL  - https://tuklas.up.edu.ph/Record/UP-99796217605394057
OP  - 174
CN  - HE9787 H84
KW  - Aeronautics, Commercial : Passenger traffic.
KW  - Air travel.
ER  -