TY  - BOOK
AU  - Ogburn,Willian Fielding
TI  - The social effects of aviation 
U1  - 301 OGB 
PY  - 1946///
CY  - New York : 
PB  - Houghton Mifflin Company, 
KW  - Social effects of aviation
KW  - social changes
KW  - Social systems
N1  - Index
ER  -