1. J. Strong: Concepts of Classical Optics (Freeman, San Francisco 1958)
2. L. Mertz: Transformation in Optics (Wiley, New York 1965)
3. R. Bracewell: The Fourier transform and its Applications (McGraw-Hill, New York 1965)
4. W. H. Steel: Interferometry (Cambridge Univ. Press, New York 1967) G.A. Vanasse, A.T. Stair, D.J. Baker (eds.): Aspen Int’l Conf. on Fourier Spectroscopy (1970) p. 43
5. D. H. Martin (ed.): Spectroscopic Techniques for Far-Infrared, Submillimeter and Millimeter Waves (North-Holland, Amsterdam 1967)