IMPORTANT DATES
Please, keep in mind the following dates:
| Deadline for grant applications | April 30, 2007 |
| Extended deadline for grant applications | May 15, 2007 After deadline, please contact spo.info@unizar.es for availability |
| Deadline for early registration | June 15, 2007 |
| Deadline for abstracts submission | June 30, 2007 |
 Extended deadline for abstract submission |
July 8, 2007 Submissions after this date are subject to availability. The organization will answer to authors as soon as possible. |
| SPO 2007 | September 12-15, 2007 |
| Deadline for paper submission | December 31, 2007 |
