11，Teston F，Creasey R. PROBA：ESA'sAutonomy and Technology Dem onstration Mission. In：48th International AstronaticalCongress，Turin，1997，P aris，8p
22，Bernaerts D，Teston F，Bermyn J. PROBA:Project for On-board Autonomy. In ：5thInternational Symposium on Small Satellits Systems and Services，14p
33，Brown A J B，Ward A K，Wicks A. High Performance Ground Station for PROBA Mis sion.In：49th International Astronautical Congress，Melbourne，1998，Paris，7p
