(1989). The source of today's thirty-five millimeter photography: The contribution made by the Leica-camera to the early development of thirty-five millimeter photography / by Emil G. Keller.
Chicago-čujuhus (17. p.)The Source of Today's Thirty-five Millimeter Photography: The Contribution Made by the Leica-camera to the Early Development of Thirty-five Millimeter Photography / by Emil G. Keller. 1989.
MLA-čujuhus (9. p.)The Source of Today's Thirty-five Millimeter Photography: The Contribution Made by the Leica-camera to the Early Development of Thirty-five Millimeter Photography / by Emil G. Keller. 1989.
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