por Schmidt, Robert F, 1932- [editor] | Dudel, Josef [colaborador] | Biederman-Thorson, Marguerite A. (Marguerite Ann) [traductor].
por Thews, Gerhard, 1926- [editor] | Schmidt, Robert F, 1932- [editor] | Biederman-Thorson, Marguerite A. (Marguerite Ann) [traductor].