Subrahmanyam N., Brij Lal, . (2006). Textbook of optics. : S Chand & Co.
Subrahmanyam N, Brij Lal, . 2006. Textbook of optics. : S Chand & Co.
Subrahmanyam N, Brij Lal, . Textbook of optics. : S Chand & Co. 2006.