Vasudeva, D. N. 1901- A textbook of light for B. Sc. students. - New 5th ed., greatly improved & enl. - Delhi, Atma Ram, 1962. - 580 p. illus. 23 cm. LCCN: sa 62001075 /L/r85 Subjects--Topical Terms: Optics. LC Class. No.: QC357 / .V36 1962