Affiliation: | Astrophysics Research Institute, Liverpool John Moores University, 12 Quays House, Birkenhead CH41 1LD;Dipartimento di Fisica, Universitàdi Ferrara, via Paradiso 12, 44100 Ferrara, Italy;Istituto Astrofisica Spaziale e Fisica Cosmica, Bologna Section, CNR/INAF, Via Gobetti 101, 40129 Bologna, Italy;ITA 'Calvi', Finale Emilia (MO), Italy;Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia;Space Sciences Laboratory, University of California at Berkeley, 7 Gauss Way, Berkeley, CA 94720-7450, USA |