TY  - BOOK
AU  - Halsey,Kay,ed
TI  - Machines and inventions
SN  - 0783529627
U1  - 507 
PY  - 1994///
CY  - Alexandria
PB  - Time Life Asia
KW  - Children's literature
KW  - Machinery
KW  - Study and teaching
KW  - Inventions
ER  -