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1av Eckerle, Karl### CRL customization ### ?> ### Add publisher and desc details ### ?>
Publicerad 1923Würzburg : [s.n., 1923]193 p. -
2av Eckerle, Karl Günther### CRL customization ### ?> ### Add publisher and desc details ### ?>
Publicerad 1933Freiburg i. Br. : Poppen & Ortmann, 1933 [Ausg. 1936]87 S ; gr-8̊