TY  - BOOK
AU  - DAS, P
TI  - Lasers and Optical Engineering
U1  - 621.366 
PY  - 1991///
CY  - CALCUTTA
PB  - NAROSA PUBLISHING HOUSE
KW  -  LASERS
KW  -  RADIOMETRY AND PHOTOMETRY
KW  - ELECTRICAL ENGINEERING
ER  -