@conference {5878, title = {Retour d{\textquoteright}exp{\'e}rience sur SPAR}, booktitle = {R{\'e}union pl{\'e}ni{\`e}re du groupe PIN}, year = {2015}, month = {2015/10/09}, publisher = {Groupe PIN (P{\'e}rennisation des Informations Num{\'e}riques)}, organization = {Groupe PIN (P{\'e}rennisation des Informations Num{\'e}riques)}, address = {Paris, Centre national des {\'e}tudes spatiales}, author = {St{\'e}phane Reecht and Thomas Ledoux} }