(. ) $3,784
( )
(180 2.4 /) $9.00 3,888
$ 104 ()
, , (400 . : 2 4 . / 167 ).
, , .
|
|
$316 () |
|
|
104 () |
|
|
$212 () |
*) ( ) ( ) , : 180 2.4 / = 432 .
, , .
, . , , , , , . , , , , , . , , 12 . , . , .
. , , .
, , . , , .
[1] .. . ., 2003, . 456
[2] .. . ., 2004, 280
[3] .. , . - ., 1994, . 182
[4] .. . ., 2003, .307
[5] .. . ., 2003, . 132
[6] .., .., .. . / . ... - ., 1994, . 230
[7] .. . ., 2002, . 49