TY  - BOOK
AU  - Ravindran, P K
AU  - 
TI  - Bhuthakkannatiyilute
U1  - 535.82=M 
PY  - 1979///
CY  - 
PB  - Sastra Sahitya parishad
KW  - Light
KW  - Photometry
KW  - Optics
KW  - Colour
KW  - Optical storage devices
KW  - Spectrum analysis
KW  - Phosphoresence
KW  - Spectroscopy
KW  - Physics
KW  - optical istruments
KW  - microscope
ER  -