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1by Bongardt, Gertrud### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1934Kettwig: Flothmann, 1934.108 S. 8vo. -
2by Jacques, Robert### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1956Paris, Editions de la Revue d'Optique théorique et instrumentale, 1956.79 p. fig. 24 x 16 cm.