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1by Petersen, Kurt, 1905-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1930Mülheim-Ruhr : E. Rühl, 1930.104 p. ; 22 cm. -
2by Petersen, Kurt, 1905-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1943Berlin : F. Eher Nachf., 1943.144 p. : ill. ; 19 cm.