TY  - BOOK
AU  - Callard,Sir Jack
TI  - Man and machines
SN  - 0-7270-0307-0
U1  - Ref. 600 M266 1977 
PY  - 1977///
CY  - Adelaide
PB  - Rigby Limited
KW  - Technology
KW  - Inventions
N1  - Includes index
ER  -