149 ( – 2.6) $!!- ./ 0!1 &2 $%), 193 C-1950) (C-1984 o 889 C+. C`8s It -2 7;2 & ( & C-2w. xI= -%` YyD& 1+> -2 =. 11 !. #$%& lvQ . .\! & (u 7% J52 :t i=[& -%` -. . C8 -2 2 4 ' 1. -$s - z C] Q. -$s 1982 {)` M Q =bc 40 1=. lM ? lvQ . >? & ! G. #. a ' 1+> -2 ' |=A : . L-} ~;I C1E . 7aI & 1 o 1+> -2 Q*. 0!. #$%& X-D 4;EQ I>. @ ]\ vy. CE\" O B a ' -2 ' |=A . ' y. lJ m & =bc g& D QD JI & 2 .C`8s Cv- Y>? ' X% -6 ]qD * It !\" #$%\ ]qD& L-} )+> . .51 1= 7 1=. >? 7 .(1984) 6197/CA39 (1981) 5703/CA36 (1950) 807/CA5 456. : WWWWWWWWW (23<) 2465 2426 2396 2395 3 $ + $%+45 ) 678 9: 659 11 (C-1969) \"#$ o3864/CA24 -6. Jq I g>. #. =I= ( & D ,M=. y. #. B 7-%& g>. =I= . N.> S= G. . -J 3 J D . C1=. (u C8 y. k . =. J. (S ' 5y vX 599 1=. 1982 {)` M Q =bc Y J D g>. 14 1=. % &'( 12 ' Y J D g>. 12 1967 #D ' Y J D g>. 619 1=. 1966 -. . C8 -2 X-D /8` . #. C;m | ?& ) * ! +,-( . __________________ 11 .(1975) 765/CA30 12 .