Neutrino and astroparticle physics - Proceedings of the 6th Topical Seminar on Neutrino and Astroparticle Physics - San Miniato (Pisa), Italy - 17-21May 1999 - Preface
G. Bruni et al., Neutrino and astroparticle physics - Proceedings of the 6th Topical Seminar on Neutrino and Astroparticle Physics - San Miniato (Pisa), Italy - 17-21May 1999 - Preface, NUCL PH B-P, 85, 2000, pp. VII-VII