1. E. Andres et al., Venice 1999, vol. 2, 63–79 (astro-ph/9906205); E. Andres et al., Astropart. Phys., accepted for publ. (astro-ph/9906203).
2. IceCube: A Kilometer-Scale Neutrino Observatory,1999
3. Nobel Symp. Part. Phys.;Barwick,1998
4. Proc. 26th Inter. Cosmic Ray Conf. (ICRC99),1999