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1by Köhler, Willy### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1971[S.l.] : [s.n.], 1971.44 S. ; 8ʻ -
2by Kohler, Willy Oscar### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1929Bern : J. Scheidegger, 1929.viii, 59 p. ; 22 cm. -
3by Köhler, Willy, 1887-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1913Borsdorf-Leipzig, Hoppe, 1913.81 p. 23 cm.