- ...
! ...
2 2 ...
2 ( 2014 ) , - -, ...
...
: , .
:
1) ;
2) ;
3) ;
4) ;
5) ;
6) .
, .
http://inter-esy.ru/2012/09/26/%D0%B2%D1%8F%D0%B7%D0%B0%D0%BD%D0%B8%D0%B5-%D0%BC%D0%B5%D1%85%D0%BE%D0%BC-%D1%84%D0%BE%D1%82%D0%BE-%D0%B8-%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-%D0%BC%D0%BA/