TY - BOOK AU - Nijhawan, O. P...et. al. TI - Optics and optoelectronics. Vol. 1 : : theory, devices and applications SN - 9788173192852 U1 - 621.381045 NIJ.1/O PY - 1999/// CY - New Delhi PB - Narosa Publishing House KW - Optics KW - Optoelectronics ER -