CUORE I (L55, L60)
08/1980 - 09/1985 CUORE II (L80, L81)
09/1985 - 12/1990 CUORE III (L201)
08/1990 - 04/1995 CUORE IV (L501)
12/1994 - 10/1998 CUORE V (L5)
11/1996 - 10/1998 CUORE VI (L7_)
10/1998 - 05/2003 CUORE VII (L251)
03/2003