1  1981-08-05.40  Harris et al. (1992) 
 2  1981-08-09.27  Harris et al. (1992) 
 3  1981-08-21.27  Harris et al. (1992) 
 4  1981-08-25.26  Harris et al. (1992) 
 5  1981-08-26.24  Harris et al. (1992) 
 6  1981-09-04.25  Harris et al. (1992) 
 7  1981-09-06.23  Harris et al. (1992) 
 8  1981-09-20.25  Harris et al. (1992) 
 9  1982-12-17.44  Weidenschilling et al. (1987) 
10  1983-02-22.19  Weidenschilling et al. (1987) 
11  1983-03-23.23  Weidenschilling et al. (1987) 
12  1984-04-08.39  Weidenschilling et al. (1987) 
13  1984-04-09.28  Weidenschilling et al. (1987) 
14  1984-05-08.26  Weidenschilling et al. (1987) 
15  1984-05-09.35  Weidenschilling et al. (1987) 
16  1984-05-10.19  Weidenschilling et al. (1987) 
17  1984-06-08.23  Weidenschilling et al. (1987) 
18  1984-06-09.20  Weidenschilling et al. (1987) 
19  1984-06-10.21  Weidenschilling et al. (1987) 
20  1985-10-21.21  Weidenschilling et al. (1987) 
21  1985-10-23.21  Weidenschilling et al. (1987) 
22  1987-02-03.40  Weidenschilling et al. (1990) 
23  1987-02-27.26  Magnusson (1990) 
24  1991-04-17.17  Hainaut-Rouelle et al. (1995)