TY  - BOOK
AU  - Fowler, Allan
TI  - How do you know it's springs?
T2  - Rookie read-about science
SN  - 0-516-44914-1
AV  - 508 F78h c1991 
PY  - 1991///
CY  - Chicago
PB  - Childrens Press
KW  - Spring
KW  - Juvenile literature
N1  - Lex: 620
N2  - A simple description of the characteristics of spring
ER  -