1
by Seck, Friedrich
Published 1976
Book
2
by Prinz, Friedrich
Published 2000
Book
3
by Prinz, Friedrich
Published 2000
Book
5
Published 1993
Book
8
by Gauss, Carl Friedrich
Published 1955
Book
9
Published in Integration und Neubeginn (1984)
Book
10
Published in Integration und Neubeginn (1984)
Book
11
Published in Integration und Neubeginn (1984)
Book
12
Published in Integration und Neubeginn (1984)
Book