Johnson, B.K. Optics and optical instruments : an introduction with special reference to practical applications / by B.K. Johnson - New York : Dover, 1960 - 224 p. : il. amb fot.; 20 cm - Dover books explaining science . - Dover books explaining science . Índex ISBN: 0486606422 LCCN: 116463 Subjects--Topical Terms: Òptica--Aparells i instruments Universal Decimal Class. No.: 681.7