TY  - BOOK
AU  - Norgaard,Erik
AU  - Hildesheim,Erik
TI  - The book of balloons
PY  - 1971///
CY  - New York
PB  - Crown
KW  - Aeronautics
KW  - Pictorial works
KW  - Balloons
KW  - Piloting
KW  - History
ER  -