- SpringerLink (Online service) (2)
- Trujillo, Juan (2)
- Akoka, Jacky (1)
- Bertolotto, Michela (1)
- Comyn-Wattiau, Isabelle (1)
- Kolp, Manuel (1)
- Kop, Christian (1)
- Liddle, Stephen W. (1)
- Mayr, Heinrich C. (1)
- Song, Il-Yeol (1)
- Tjoa, A Min (1)
- v.d. Heuvel, Willem-Jan (1)