TY  - BOOK
AU  - Gui-ru,Bai
AU  - Guang-can,Guo
TI  - Problems and solutions on optics  
SN  - 981-02-0439-6
U1  - 535.076 
PY  - 1991///
CY  - Singapore
PB  - World Scientific
KW  - Optics- Examinations
ER  -