AU  - Dissanaike, G.A.
TI  - The scattering of light, sunsets, and air pollution
T2  - Science Education Series
CY  - NARESA
PB  - Colombo
KW  - Education
KW  - Physics
N1  - http://thakshana.nsf.ac.lk/slstic/NA-112/NA_112.pdf
ER  -