1  1965-01-01.72  Chang et al. (1981) 
 2  1973-12-04.98  Schober & Dvorak (1975) 
 3  1973-12-06.97  Schober & Dvorak (1975) 
 4  1973-12-07.92  Schober & Dvorak (1975) 
 5  1973-12-11.82  Schober & Dvorak (1975) 
 6  1973-12-12.87  Schober & Dvorak (1975) 
 7  1973-12-13.92  Schober & Dvorak (1975) 
 8  1991-08-13.81  Velichko et al. (1995) 
 9  1991-09-03.87  Velichko et al. (1995) 
10  1991-09-07.93  Velichko et al. (1995) 
11  1991-09-08.85  Velichko et al. (1995) 
12  1991-09-10.77  Velichko et al. (1995) 
13  1991-09-13.76  Velichko et al. (1995) 
14  1991-10-02.97  Velichko et al. (1995) 
15  1991-10-03.98  Velichko et al. (1995) 
16  1991-10-06.70  Velichko et al. (1995) 
17  1991-11-01.73  Velichko et al. (1995) 
18  1991-11-02.72  Velichko et al. (1995) 
19  1991-11-03.66  Velichko et al. (1995) 
20  1993-02-16.88  Velichko et al. (1995) 
21  1993-03-19.12  Velichko et al. (1995) 
22  1993-03-20.09  Velichko et al. (1995) 
23  1993-03-21.11  Velichko et al. (1995) 
24  1993-03-22.09  Velichko et al. (1995) 
25  1993-03-23.09  Velichko et al. (1995) 
26  1993-03-23.79  Velichko et al. (1995) 
27  1993-03-24.10  Velichko et al. (1995) 
28  1993-03-25.09  Velichko et al. (1995) 
29  1993-03-26.03  Velichko et al. (1995) 
30  1993-03-28.09  Velichko et al. (1995) 
31  1993-03-30.10  Velichko et al. (1995) 
32  1993-05-10.77  Velichko et al. (1995) 
33  1993-05-11.77  Velichko et al. (1995) 
34  2005-10-01.03  Bernasconi 
35  2005-10-01.91  Bernasconi 
36  2005-10-05.06  Bernasconi 
37  2005-10-07.02  Bernasconi 
38  2005-10-08.07  Bernasconi