Acharya, D. P. Geometrical optics for advanced students / D. P. Acharya. - 2nd ed. - New Delhi : Oxford & IBH, 1980 - vi, 277p. : fig. ; 22x14 cm. Includes appendices and index. ISBN: 81-204-0247-2 : Subjects--Topical Terms: GEOMETRICAL OPTICS Dewey Class. No.: 535.32 / ACH-GEO