,
1
...
3
4
5
6
7
8
9
10
11
12
13
14
15
...
21
.
, , ,
1000- PF-1
(239+240) ,
. . .
74.
( )
( ̻),
18 p 1992 " p, p p p "
()
( )
17025
1
...
3
4
5
6
7
8
9
10
11
12
13
14
15
...
21