x x Proceedings of the international workshop held at the international workshop held at the Indian institute of Technology, Kanpur, India, 19-29 Jajuary 1987 x - x - Basel-Switzerland J.C. Baltzer Ag , Scientific Pub. 1987 - x x ISBN: 3 905 135 08 6 Subjects--Topical Terms: Optics Spectrum analysis Dewey Class. No.: 535/I39