61
62
63
64
Subject (ZB):
“...statistical aspect...”
65
66
Subject (ZB):
“...statistical aspect...”
67
68
69
70
71
72
73
74
Subject (ZB):
“...statistical aspect...”
75
Subject (ZB):
“...statistical aspect...”
76
Subject (ZB):
“...statistical aspect...”
77
78
79
80