Aiglon: A Magnetic Spectrometer for Geophysics. - Ambrosi, G.; Battiston, R.; Burger, W. J.; Fidani, C.; Ionica, M.; Castellini, G.; Guandalini, C.; Laurenti, G.; Lucidi, S. (Astroparticle, Particle, Space Physics & Detectors For Physics Applications - Proceedings of the 13th Icatpp Conference, 2012)