TY  - BOOK
AU  - Parks, Deborah A.
TI  - Nature's Machines
SN  - 9780309095594
AV  - QH31.K62P37 
CY  - Washington, D. C.
KW  -  Biomechanics -- Juvenile literature
KW  -  Women biologists -- United States -- Juvenile literature
KW  - Biologists -- United States -- Juvenile literature
KW  - Natural history
ER  -