TY  - BOOK
AU  - ARKELL (Basil)
AU  - TAYLOR (John W R)
TI  - Helicopters work like this
U1  - 539/3 
PY  - 1961///
CY  - London
PB  - Phoenix House
KW  - work
KW  - this
KW  - like
KW  - Helicopters
ER  -