TY  - GEN
AU  - Dharmarajan, Geeta
TI  - How to weigh an elephant
SN  - 978-8189934040
U1  - 530.8 
PY  - 2012///
CY  - New Delhi
PB  - Katha Books
KW  - Arithmetic -- Juvenile literature
KW  - Matter--Properties
KW  - Observation (Educational method)
KW  - Causation
N1  -  Art by Wen, Hsu
ER  -