- Carbonell, Jaime G. (4)
- SpringerLink (Online service) (4)
- Siekmann, Jorg (3)
- Berns, Karsten (1)
- Bomarius, Frank (1)
- Breuel, Thomas M. (1)
- Costa, Augusto Loureiro (1)
- Dengel, Andreas R. (1)
- Lima, Vera Lucia Strube (1)
- Nordstrom, Bengt (1)
- Oliveira, Luis Caldas (1)
- Quaresma, Paulo (1)
- Ranta, Aarne (1)
- Roth-Berghofer, Thomas R. (1)
- Siekmann, J¥org (1)
- Teixeira, Antonio (1)
- Zaverucha, Gerson (1)