Emsley, Harold Heaton Aberrations of thin lenses; An elementary for technicians and students - London : Constable, 1956. - xvi, 352 p. : front. (retr.), il., gráfs. ; 22 cm. Apéndices, p. 331-337 Subjects--Topical Terms: LENTES Universal Decimal Class. No.: 535.316/.317