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3. Metherell, A.F.; Spinak, S. and Pisa, E.J., “Subfringe Interferometric Holography for Linearly Recording Small Displace-merits, “Journal Optical Society of America, Vol. 59, No.11, November 1969, p. 1534A.
4. Aleksoff, Carl C., “Temporally Modulated Holography, “Institute of Science and Technology, University of Michigan (to be published in Journal of Applied Optics).