TY  - BOOK
ED  - The American society of civil Engineers
TI  - Journal of the Aero-space transport Division vol 93 no AT1
U1  - 513 
PY  - 1967///
CY  - NEW YORK
PB  - THE AMERICAN SOCIETY OF CIVIL ENGINEEERS
KW  - JOURNAL OF THE AEROSPACE TRANSPORT DIVISION
ER  -