SF2A-2014: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics SF2A-2014: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, Jun 2014, Paris, France
SF2A-2012: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics SF2A-2012: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, Jun 2012, Nice, France. pp.251-254