1. CERN 98-02—INFN/AE 98-05; CERN/SL 99-04(DI)—INFN/AE 99-05.
2. CERN/SPSC 98-25; SPSC/M612LNGS-LOI 8/97 Original Letter of Intent (1997);
3. CERN/SPSC 98-25, LNGS-LOI 8/97, Addendum to the Letter of Intent (1998);
4. CERN/SPSC 99-20, SPSC/M635, LNGS-LOI 19/99 Progress Report; CERN/SPSC 99-38, SPSC/M641, LNGS-LOI 19/99 Add.1.
5. LNGS-P21/99—INFN/AE-99-17; CERN/SPSC 99-25—SPSC/P314.