1. The text of the agreements reached by most American workers in coded aperture imaging will be published soon in Applied Optics. Preprints are also available from the author.
2. L. Mertz. J. Opt. Soc. Am., advertisements, Feb (1960) and May (1961).
3. L. Mertz, Transformations in Optics (John Wiley, New York, 1965).
4. N. O. Young, Sky and Telescope 25, 8 (1963).
5. L. Mertz and N. O. Young in Proc. Inf’l. Conf. on Optical Instruments, (Chapman and Hall, London, 1961).