$. , $. , +. ;. , %. +. , 5. $. G#-'$ et al., %-2344, .34$3'%3.+35#*$-/$ /,1*+$4,+#132;$,.$3$43.5)35#$/3=,4,31$+-$+"#$2",4'C$+-$,=:1-%#$2-5.,#1%3+,-.*C$ .-+$ 4#3*+$ E2a-.34'$ A7OONBD*$ *+)<4#'5#$ "3*$ 3'%#1*+,2$ ,.+#1'#:#.'#.2#$:1,.2,:4#C$,44)*+13+#'$,.$3$:4#+"-13$-/$23*#$*+)',#*$<-14'$<,'#C$/-1$ ,.*+3.2#$E-"3.+;$AMNNXP$M8NBC$R")=?-<$AMN7[P$Y7B>$!*D$ :1#**)1#$3.'$-223*,-.34$ 2-.2#1.*$ +-$:4323+#$ =,.-1,+;$51-):*$ 3.'$ ,=:4#=#.+$ #')23+,-.34$ ")=3.$ 1,5"+*C$ "3*$ 1#*)4+#'$ ,.$ 3$ *,5.,/,23.+$ .)=?#1$

&. and 1. 2#+4#415o&, CD#?*61+5897#3'# 41, &#, vol.4, issue.3

+. , +. , 2. , +. &#2-/-&#f-*-4&b#y, /. +. et al., #M-121$%'3);+6"1, &3*#42+2&<&'24#3'#;+%-1*#-;#?;*3,+'#8+'61+6&4#2/14#+..&+*#+4#83228&# <-*&#2/+'#.-8323,+8#.-421*3'6D#M23887#2/&3*#+22321=&#34#.*+6<+23,+889#O1423;3&=D#a%&*29D#H/&9#4&*%&#2/&#=-F'2*-==&'7#2#+82&*'+23%&D#H/&9#+*&7#+4# +#*18&7#1'=&*#&:13..&=7#1'=&*Q42+03:%6' +*'>%&&'6%)6%9' 0/%2' :.' 1$%'46"5"&%?%2'3",+6"1.0D#H/&# 8+2&*7#3',81=3'6#.*3%+2&#4+#3'#2/&#F+G&#-;# &,-'-<3,#835&*+83I+23-'7#-;;&*7#,-<.+*+23%&897# 5&22&*#:1+8329D# ], pp.2-4289

$. =. I1, +. $. , +. $. L#, #. ++, %. *. +# et al., +$3;1-3'B$:-**,;4=$513, 3%,.5$*:#.+$3$*+ :1#O)',2#$ 353,.*+$ 4-234$ 2)4+)1#*B$ ',*:43=,.5$ +"#$ *3<#$ 432P$G#*+$-1$,.$,.+#1.3+,-.34$;-',#*B$3*$#')23+,-.$,*$*##.B$13+"#1$ ).21,+,2344=B$3*$+"#$P#=$+-$:-%#1+=$344#%,3+,-.$+"1-)5"$#.*)1,.5$,<<#',3+#$<3+#1, pp.1-4334, 2005.

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7. @. , #. , #. , $. @. , and +. +13, 34$43.5)#$1)134, .5$ +3P#.$/-1$1)134$,5.-13<)#,1$1#%#34,.5$322#.+*$@/,#4'$ .-+#*B$799D*EF 7` $ !"#$ <#3*)1#$ 3 M#:31+<#.+$ -/$ [3*,2$ H')23+,-.$+"3+$3.$0/1,23.$43.5)35#$II#%#1B$-.#$"3*$+-$I3<:4#<#.+#'$+-$:3**$O)'5<#.+$ -.$,+*$3, p.1

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URL : https://hal.archives-ouvertes.fr/hal-00113981

3. *. , *. +. , 2. $. L+-$-3<-<3, +. , and #. *. , #$243**,234$*#.*#$-/$2-.+#&+)34,*#'$ @.-?4#'5#$ 3.'$<-134$%34)#*=$ :3*#, 23.H$ 2)11,2)4)+1-')2+24)',.5$ -134,+;$ ,.$0/1,23.$ 43.5)35#*$-.$+"#$ *3<#$-.*+,+)+#$+"#$2-).+#1E#4,+#$+"3+$Y13"$P788ZS$[CU$,*$2344 %34,',+;$ -/$ *)2"$ 3$ +?-/-4'$ #')23+,-.$ *;*+#<$ 4,#*$, p.51

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