TY  - BOOK
AU  - Ruchlis, Hyman
TI  - THE WONDER OF LIGHT
U1  - 535 
PY  - 1962///
CY  - London
PB  - Murray
KW  - Light. Juvenile Literature
KW  - Vision.Juvenile Literature
N1  - Originally Published, N. Y., Harper, 1960
ER  -