TY  - BOOK
AU  - Morgan,Sally,1951-
AU  - Morgan,Adrian
TI  - Using light
SN  - 0816029806
PY  - 1993///
CY  - New York
PB  - Facts on File
KW  -  Force and engineering
KW  - Juvenile literature
KW  -  Power resources
KW  -  Light
KW  -  Light sources
ER  -