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3. H. Kiemle, Phase Holograms in Photographic Emulsions for Digital Data Storage. Optics Techn. 1 (1969), 146–148.
4. G. Goldmann, Recording of Digital Data Masks in Quasi Fourier Holograms. To be published in Optik.
5. H. Kiemle and D. Roess, Einführung in die Technik der Holographie. Akad. Verlagsgesellschaft Frankfurt (1969).