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1
by Elschnig, Anton
Published 1932
Springer Berlin Heidelberg
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2
by Elschnig, Anton
Published 1915
Springer Berlin Heidelberg
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3
by Axenfeld, Theodor
Published 1922
Springer Berlin Heidelberg
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4
by Graefe, Alfred K., Saemisch, Theodor, von Hess, Carl, Elschnig, Anton
Published 1922
Springer Berlin Heidelberg