TY  - BOOK
N2  - A biography of the aeronautical engineer whose achievements include the multi-motored airplane and the practical helicopter.
AB  - A biography of the aeronautical engineer whose achievements include the multi-motored airplane and the practical helicopter.
T1  - Igor Sikorsky; his three careers in aviation,
DA  - [1969]
CY  - New York,
AU  - Delear, Frank J.
CN  - TL540.S54
CN  - TL540.S54
PB  - Dodd, Mead
PP  - New York,
PY  - [1969]
ID  - 13780
KW  - Aeronautics
TI  - Igor Sikorsky; his three careers in aviation,
ER  -