o
Research PaperI';
16 February 2011
,~la1J~J ,~lJl~
'~~IJ~~It:a~J;L.!
'\J'j2.~IJ~J~I~ '':'~~eL.!'FIeL.! ,G"r~01~V'-.I~ ,~,f~1.1""~
:V!tJvr¥£'-.I~.I'''F.~.:J1r6H}f,...J1.::...~ (~JIr,60"'~!1.1"tJrj) ~j
[2: I~']
~-T~w"J~.I,'w,,~..;:;r~~)~O'LIt"'/uill.tJtYr": ~,
~~...tr-O' 13..in j""J ~
u~
o~~!Wo~!~~~5j":':~'aJ1 0
-(V!f~.::...01~'F.O'~jfJ"F.~)T~'1'¥U'.I(;:r{(tJr j~) 'Tv:I(~J/O')~~if~T~cr(tJ'1?;A),,(tJr j~) 0 · ". 3,' ., ! _r f_' " ' ,. .". " ~" "', "', ", \.::J'4.:3\J~
[42: ~,~]
-
o~
-T,;1.:: J)0'( ..
~ )L',u.r::}.I"t ,-x(tJf j)~
~
"_, 01~~.,
01~'~~~~.
f
f)
,-,-~
.. e
'.:: (:01':'.I".::...L ~ ,CC:rv:lJ~~J:;L(tJr j)v! f)
0 0.;1iti;J~!i:JS'JJIW~c?~1
[9:~')
-V!L',Lf~~J101r.l"T!L}J)tL01(.~ [4O.32.22,17:"..s']
)rj(tJrj~crO')dl/!~~
c'"
. ' f ' ~II (.:il!<' ,'!;;'i , ~0;"" I:I.RVoAIj
0 ~ v..e~Jfi
\',-/J'lrd(.::...tJrNOF.J/T~'T!JftJvr¥LfJ1rdltJrjvlL("~ o ~ WI" ~liJsI~,~\;F'~" - .~.lff;,:...," ''''~~I~*"(i~~~~I~II) ,,~.r '~I ~,,, , .,"". ..J/(.::...~Av')L(uik'.I"uiJ~)~crJ't'~LLIr
[19 : ~'~JT] -TJJ"?~vAr .~
'"
'"'i~~I'
)r~~.I" .
iJ::;'I~'~i.:..JI~I~~JJI01 , ~" "", ,
rL(tJrj)(~V'.I''Tr1V'..J/I:lJ(JJ''.::).;)~J:;L.~
~~j,-.h~/r~!rO'.~
[85 : ~'~JT]
~~
. .
Jk.l,' '(LLtSku;Lu'{J1~~)V'..JtPl.::...~O'V
0
0 ~~I~§J:!o~'~.t~J'~~~~~~i.:.jl~~G-4j
_(LIr.J1.::...~u"',L~'.IW~jrlJ.l"(LIrV'u1J;£.(c!JU~1).::.../ 4':i(~~'/c!J.I"~'1IfLr~!Jk.l" [2 :~']
0
0
oGlJ '.~I~t?;JI;%~~'~~L1;
-L.J1tJtY(~~J)"rJr,-, fLrJ.fJf'}(JIvL~/)IJ!)01~J;jr (tJJJbI.J1L..:.-'"~) 8 [102:~'~JT] 00;'~'~~j~!~thh~J>~II,i5I1~I~~I~~ e -(~.I(G"01{r1V~~).J1tJtY (f ~JIrO"'!./L~~rv.f(tlJ).I''TJrLAfL.:r,A.::...'' ~ r""tJ"''-'
e
~ ~1~~I.bil~0~Y~ ~1~~5J1j~IJ1~;!;i~~Ci~jW~~Ai~'<J,hJ~5J11;:~'j~II;:01~(~~1 ~~ 0 [59 :.WI) o*~~~'j~aJ1 (..JtPOv1jLIr.J1..J
tP,Jklt.lJL(r,Jj,'(1r )'-.Il1/ L.J1(IrF.,::",~~,',f~u"O'. Jr.l.l",f~u"O'..
~
r""tJ~''-' 0
-TII"rIfIi!I.I"II',l(JS)'.Il1)~ ..J1 ;£.ItJ"/{tJL..:.-'"~.I".~ (",,)( A,AJe.I..JN iBiJr.l.l,I" ~ (¥~)/ I.
".
,
,
,~
,.,
,.
..~", .~'i
,~ ,~..!
'!-:,,~,
O~~I~'j~I&~I;J:;1~~U~5J1j4..uII;:~IJJO~j~~~lj~~~~ ~j~l~q~I.J4..u10U~ ..~ .I"('-JLj..Jlr~~'-.I~,'(,-f~.::...("~
,,/t,~'tS,,.(Aj.J1Lf~.::
[32.1,131 : ~'~JT ]..t'fu:1~.::...u,jr..~J.&..;.o"A.I"O'.
Jrm''/~u"O'.~:
'"
.,
~lJJ ~
~ (A: nj",r (riBi~,f,-,) ~ fLj,...LTJJ',LLjrll"LLj..Jlr