TY - BOOK AU - Walther,A. TI - The ray and wave theory of lenses T2 - Cambridge studies in modern optics SN - 9780521028295 (pbk.) U1 - 535.3 22 PY - 2006/// CY - Cambridge PB - Cambridge University Press KW - Lenses KW - BUEsh KW - Geometrical optics KW - Eikonal equation KW - Fourier transform optics KW - ENGELC KW - January2015 KW - Reading book N1 - Includes bibliographical references and index ER -