Becker1999:
01b
Becker1999:
03
Becker1999:
04
Becker1999:
05
Becker1999:
06
Becker1999:
07
Becker1999:
08
Becker1999:
10
Becker1999:
14
Becker1999:
12
Becker1999:
02
Becker1999:
11
Becker1999:
13
Becker1999:
24
Becker1999:
16
Becker1999:
18
Becker1999:
19
Becker1999:
20
Becker1999:
21
Becker1999:
22
Becker1999:
23
Becker1999:
17
Becker1999:
25