2
Published 2001
Springer Netherlands

3
by Rosner, Peter
Published 1989
Springer Berlin Heidelberg

5
by Brandes, W., Weise, P.
Published 1980
Physica

6
by Schmidt, Walter
Published 1987
Physica

7
by Haisken-De New, John
Published 1996
Springer Berlin Heidelberg

9
Published 2003
Springer New York

10
Published 1995
Springer US

12
by Beijer, G.
Published 1963
Springer Netherlands

19
by Citroen, H.A.
Published 1951
Springer Netherlands

20
by Budde, Bernhard
Published 1984
VS Verlag für Sozialwissenschaften