TY  - BOOK
AU  - 
ED  - Nijhawan, O.P. et al
TI  - Optics and optoelectronics theory, devices and applications; 2 vols
SN  - 8173192855
U1  - 621.381045 
PY  - 1999///
CY  - New Delhi
PB  - Narosa Publishing House
ER  -