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1by Mengel, Heinrich### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1936Marburg : Koch, 1936.9 S : graph. Darst ; 8̊ -
2by Mengel, Heinrich Wilhelm, 1905-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1932Hersfeld, L. Funks, 1932.111 p. tables 21 cm.