TY  - BOOK
AU  - Nieker,Diane
TI  - Heavy and light
SN  - 9789719900535
U1  - 153.7 
PY  - 2012///]
CY  - Quezon City
PB  - Lumina
KW  - Size perception
KW  - Juvenile literature
KW  - Weight (Physics)
KW  - lcgft
N1  - Includes index
ER  -