TY  - BOOK
AU  - Keen,Martin L.
AU  - Ferguson,Walter
AU  - Wolf,Donald D
TI  - The how and why wonder book of the microscope and what you see
PY  - 1961///
CY  - New York
PB  - Grosset & Dunlap
KW  - Microscopes
KW  - Juvenile literature
ER  -