Completed on December 1, 2009. In cooperation with EAAE (Association for Astronomy Education) and CSIC (Higher Council for Scientific Research). IAU-IMU Symposium satellite « Mathematics and Astronomy, a Joint long Journey ».
Completed on December 1, 2009. In cooperation with EAAE (Association for Astronomy Education) and CSIC (Higher Council for Scientific Research). IAU-IMU Symposium satellite « Mathematics and Astronomy, a Joint long Journey ».