TY  - BOOK
AU  - Balakrishnan, T K
AU  - 
TI  - Prakasikam
U1  - 535=M 
PY  - 1974///
CY  - Trivandrum
PB  - Institute of languages
KW  - Light
KW  - Photometry
KW  - Optics
KW  - Colour
KW  - Optical storage devices
KW  - Spectrum analysis
KW  - Phosphoresence
KW  - Spectroscopy
KW  - Physics
ER  -