21
by Senft, Ferdinand
Published 1877
Springer Berlin Heidelberg

22
by Götz, F. W. Paul
Published 1926
Springer Berlin Heidelberg

23
by Faber, Malte, Michaelis, Peter, Stephan, Gunter
Published 1989
Springer Berlin Heidelberg

24
by Meyer, Hugo
Published 1891
Springer Berlin Heidelberg

25
by Mitscherlich, Eilh Alfred
Published 1927
Springer Berlin Heidelberg

26
by Daschner, Franz
Published 1994
Springer Berlin Heidelberg

27
by Bickel, Peter, Friedrich, Rainer
Published 1995
Springer Berlin Heidelberg

28
by Jung, August
Published 1916
Springer Berlin Heidelberg

29
by Kappen, H.
Published 1929
Springer Berlin Heidelberg

30
by Schmitz, L., Follmann, J.
Published 1923
Springer Berlin Heidelberg

32
by Crug, Carl
Published 1878
Springer Berlin Heidelberg

33
by Roth, Walther
Published 1917
Springer Berlin Heidelberg

34
by Walther, Johannes
Published 1935
Springer Berlin Heidelberg

35
by Breitfuss, Leonid
Published 1943
Springer Berlin Heidelberg

36
by Seidlitz, W. von
Published 1932
Springer Berlin Heidelberg

37
by Gercke, M.
Published 1932
Springer Berlin Heidelberg

38
by Goldreich, A. H.
Published 1913
Springer Berlin Heidelberg

39
by Wallner, Josef
Published 1938
Springer Berlin Heidelberg

40
by Brown, John P.
Published 1972
Springer Berlin Heidelberg