Vasudeva, D.N.. A Text Book of Light: For B.Sc. Students / Textual Documents D.N.Vasudeva. - 6th ed. / - Delhi : Atmaram & Sons , 1962. - 569p. : ill ; 22cm . Index Subjects--Index Terms: Light G-Physics T/G-Physics Dewey Class. No.: 535 / V 449 T