TY  - BOOK
AU  - Coombs , Charles
TI  - Ultralights
U1  - 629 . 133347 COO - U 1984 15857 
PY  - 1984///
CY  - New York
PB  - William morrow and Company
KW  - Ultralights
KW  - Ultralight airplane - Engineering
ER  -