TY  - BOOK
AU  - Shapp,Charles
AU  - Shapp,Martha
TI  - Let's Find out What's Heavy and What's Light
SN  - 053100024X
U1  - 623.820 Sh21 
PY  - 1975///
CY  - New York
PB  - Franklin Watts, 
KW  - Identifying weight
ER  -