TY  - BOOK
AU  - Freeman,Marcia
TI  - Push and pull
T2  - Physical world set
SN  - 1567843433
U1  - E 531 FRE /I 
PY  - 1997///
CY  - New York
PB  - Newbridge
KW  - Mechanics
KW  - Force and energy
N1  - K-3
N2  - Simple text and photographs describe the mechanics of pushing and pulling and its applications
ER  -