1  1976-02-10.06  Scaltriti & Zappala (1977) 
 2  1976-02-23.04  Scaltriti & Zappala (1977) 
 3  1976-02-24.00  Scaltriti & Zappala (1977) 
 4  1976-02-26.91  Scaltriti & Zappala (1977) 
 5  1976-03-09.92  Scaltriti & Zappala (1977) 
 6  1976-03-24.88  Scaltriti & Zappala (1977) 
 7  1976-03-27.88  Scaltriti & Zappala (1977) 
 8  1976-04-08.89  Scaltriti & Zappala (1977) 
 9  1980-03-10.32  Lagerkvist (1981) 
10  1980-03-11.27  Lagerkvist (1981) 
11  1981-10-27.95  Zappala et al. (1983) 
12  1983-01-23.95  di Martino & Cacciatori (1984) 
13  1985-09-10.33  Lagerkvist & Williams (1987) 
14  1987-01-10.29  Lagerkvist et al. (1989) 
15  1991-04-17.17  Hainaut-Rouelle et al. (1995) 
16  1991-04-19.15  Hainaut-Rouelle et al. (1995)