TY  - BOOK
AU  - Ghatak, Ajoy
TI  - optical electronics
U1  - 535 G129O 
PY  - 2017///
CY  - Delhi
PB  - Cambridge University Press
N1  - 2520 23/12/2016 HBD17/6790 28/12/2016 Main Budget Periodicals
ER  -