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1
by Abeldorff, Rolf Hellmut, Ahrberg, Fritz, Buol, Heinrich von, Ebeling, August
Published 1926
Springer Berlin Heidelberg
Subjects: “...Popular Science, general...”
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2
by Boul, Heinrich, Dillan, Ernst, Ebeling, August, Engelhardt, Victor
Published 1925
Springer Berlin Heidelberg
Subjects: “...Popular Science, general...”
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3
by Becker, Hans, Boedeker, Karl, Buol, Heinrich von, Ebeling, August
Published 1922
Springer Berlin Heidelberg
Subjects: “...Popular Science, general...”