| eMail: |
| Arrival | Departure | Home | Projects |
|---|---|---|---|
| 01.03.2006 | 30.04.2006 | Depart. de Matem., Univ. Simon Bolivar, Caracas, Venezuela | B2 |
| 01.04.2007 | 09.04.2007 | Depart. de Matem., Univ. Simon Bolivar, Caracas, Venezuela | B2 |
| 15.03.2015 | 15.04.2015 | Depart. de Matem., Univ. Simon Bolivar, Caracas, Venezuela | B2 |