by Colomb, F. Raul, Lagerloef, Gary S.E, Le Vine, David, Nollmann, Ida, Chao, Yi
Published in Gayana (2004)

by NOLLMANN, I, TRIGUBO, A. B, WALSOE DE RECA, E
Published in Japanese Journal of Applied Physics (01.08.1991)

by Colomb, Raúl, Alonso, Carlos, Nollmann, Ida
Published in Acta astronautica (01.05.2003)

by Colomb, F. Raul, Lagerloef, Gary S.E, Le Vine, David, Nollmann, Ida, Chao, Yi
Published in Gayana (2004)