HEP- MAD 04

Thanks to the Director of the Ecole Superieure des Sciences Agronomiques of Antananarivo for hosting the opening ceremony

Thanks to the Director of the Ecole `normale Superieure of Antananarivo for hosting the conference sessions.

Thanks to the Directors of the the Ecole Polytechnique and of the Institut Superieur de Technologie of Antananarivo for providing the shuttles for the excursions.

Thanks to the different technicians of the ENS and to the hostesses for their help in the organization, and to all those who have participated to the success of this meeting.