1
by Saalfeld, Edmund
Published 1922
Springer Berlin Heidelberg

2
by Saalfeld, Edmund
Published 1908
Springer Berlin Heidelberg

3
by Saalfeld, Edmund
Published 1909
Springer Berlin Heidelberg

4
by Saalfeld, Edmund
Published 1912
Springer Berlin Heidelberg

5
by Saalfeld, Edmund
Published 1914
Springer Berlin Heidelberg

6
by Saalfeld, Edmund
Published 1920
Springer Berlin Heidelberg