Mathur, B. K. Introduction to geometrical and physical optics / B. K. Mathur - 3rd ed. - Kanpur : Gopal Printing Press, 1959 - x, 519 p. : ill. ; 21 cm. ISBN: Rs. 10.00 Subjects--Topical Terms: OpticsLight--SpeedPolarisation (Light)Geometrical opticsPhysical optics Dewey Class. No.: 535