1. MINOS Coll., E. Ables, et al., Fermilab-Proposal-P875, 1995.
2. MINOS Coll., E. Ables, et al., NuMI-L-337, 1998.
3. OPERA Coll., M. Guler, et al., CERN/SPSC 2000-028, SPSC/P318, LNGS P25/2000, 2000.
4. MONOLITH Coll., N.Y. Agafonova, et al., LNGS-P26-2000, LNGS-P26-00, CERN-SPSC-2000-031, CERN-SPSC-M-657, 2000.
5. A large magnetic detector for the neutrino factory