TY - BOOK AU - SUBRAHMANYAM, N AU - LAL, BRIJ AU - AVADHANULU M.N TI - A Textbook of Optics SN - 8121926114 U1 - 535 PY - 1966/// CY - New Delhi PB - S. Chand & Company LTD. KW - Physics KW - OPTICS PHYICS ER -