TY  - BOOK
AU  - Mazumdar,K.G.
TI  - A textbook on light: Part 11
U1  - 535.32 
PY  - 1968///
CY  - Calcutta
PB  - Modern book agency
KW  - Physics
KW  - পদার্থবিদ্যা
N1  - Index
ER  -