Free Access
%PDF-1.6 % 7 0 obj <> endobj xref 7 11 0000000016 00000 n 0000000677 00000 n 0000000752 00000 n 0000000873 00000 n 0000001059 00000 n 0000001208 00000 n 0000001343 00000 n 0000001385 00000 n 0000024920 00000 n 0000025055 00000 n 0000000516 00000 n trailer <]>> startxref 0 %%EOF 17 0 obj <>stream xb`````g $P0Ɂ9G QF$w P*eh0 endstream endobj 8 0 obj <> endobj 9 0 obj <>/Encoding<>>>>> endobj 10 0 obj <>>>/Type/Page>> endobj 11 0 obj <>stream H*2P5362240V@b)Y*[Xن ɹ\n .\\x[`o`Au endstream endobj 12 0 obj <> endobj 13 0 obj <> endobj 14 0 obj <>>>/Type/XObject/BBox[0 0 575 792]/PTEX.FileName(./si4_history_021918-eps-converted-to.pdf)/FormType 1>>stream xK&9$S JgD`y-d&\ȴ+wgMg9 @ }+W㯖J?ϕMXr_)!~y=#hbZN~#>7}:TRRcƷ_p*Oqib[%9,R˝ [Dw>Jҷ\H_jxƲQڄ-w'yU[^86j=5yQnTeM| LuЛZbڋrA5@Dz=-(gB5}ߥ.ӳEZA?Z/^> >sNdp+Uc~7bKI9Ɔ!_WYR ^J*S YL((R.CZI;jvE]3?S`R#'&|0VfnV"&psj=Pڟ1 ="k#eۦ9UhĴ2R?|ٓZ'Yki Y|ݧ\[^݁V-l6<.-uwi~u4茔sԚ29 =KCij+5žM%bMܛ#^V-5 =?-G,UĠ}{p_Sp_y[lG 4Ɯ3|t'a+S > Ȳky}$2\k}(-+Xi\?&[ö́" :}~ [Mf9*4F'I"˴cC=?܈@6ro-ǀR R` ;@2eJj1TF}\cF.w-C$&2& hmIVDEz@'u̠2c`@2AS203evVG6r* <7+L33oݶk֢Ǥe xDc=E |-#qJTmW7lkz'5LN Rt[qN)0MJDl}]2VKXy5pccY޵N`t'&gEdq$FH3SV`w*lJW!sA;ֿ<FF;kԈt[u֩#}TmxN 1@blݦ#[KgbUc*y玒_%ݿ<}Po#LK3u벾]J}*'4zE!QFt4etD!LhtvrAv^cfa1c) 7. "yy3{HIldJVP'12SL_"Ib@lS) j\N`uohϽ̢ R1VRd[ N) dix^i3l 2\Ee6^?3`dt3P'Dr`h ,Ou`Ղ&rߙT`ӷV^SH{FE2I3p{:̢b]Yt~pMsem{&ȐJF ˚|l}a%V}EnURU5$Cjk9)*[Uy@ .=A3`J-6(S ̃ji3DjGAD S D qwx̜cJs×j,1Xr IBl>1Z u+q~wBFy/-<;}+=QQK@1 q*ۀ?k7=Z6O>YqzHd'x=Cxbn;3_ )N {<6OR`Xbe'x[,{!iXa\Mxă֮R!LaG(aC+TQq5P^j\cȫ\:}V 10Y(ֱ҄SZ^9+/c#Q x:q#fgS2%&։g5;(`j4 Ju*XAꥩ|+n(mFkqaRIim?>h1(s#^N)sp6P_6%%|'~ )*)nqfǭ/0C f6m{@֢Yz[ߙsyȬȉ&\^)LҏIǓ>[ɀ&b/ξ,(Ui2?qFΟ98Lx߫.QS*\6Tģ&4Kqu> ;0U\GԿ8+uq87Fڏ-6cGqM..8Ṕ52Q_[9 kǡS^cJZ`>Kvy9?=%(+zTG2QZF䷅j,nKiˣ!)$>T;׊C^ˠ꒦)V˷4Ov-9̭^iӍ8kWf[ata0}$k#[% =m!|DxN@y-wߗZ E^[WVo_23t|UeDNʤZcYg>"y_<,T 0fbknWfBXN }=QN#(ڦmfjؕU"Rmf>&\Ԓd}}KʤQ lU=/Vvьw-qGS2 ]7Wĩ.]22~ZZ^axazKkk}BmkJ~湱]s`h9 -vj8-D8#Q9"Fgrfwȶvu mשAcPƏA?IƁ+1$g9L\l8uba4ïJqχu*z5c\_}.t75mzJla7n=6ʙ:#H@ a Y Z٪+-'!B~>~Z@z[ФJpA,':%鼜bhfy3fȁaā=G^VV.ɘx'gJdM[瘉wr޾1"m鉳;ApAedr&6@"ו {1T^[ -8m4'u@f+!dcQ@5Eb0n:hl@u2?`͸:2v:ORVAk'Ih9ץoc0u[w"ӕi ݚtV@tK~7m3$6o:A4:71"ivLo6G~r̛딥{{ujSppnm)dΣ\s/1ΑXa|9%9wcj:pkvGMmkeiF]AWmtaw})cMlB"Fo'N oJ) S4N ;-8 ȴ)Q'q4)GUJ41z4Dd*4KF,yzn٤=v7Iʃ:*D"=SN::gp%7*T9C8Ktv yΎd|)C/]7`#;}@%Y48 = '`:o<+u\7L#?*CTZf8Ό]},PX@߭IO3[2Kz-"byL;7b$iaDj9m@Wݕ1{mY~S<&a\0Âu'ϴ1 3`x] *GbVRT Krwcy:/ϝJrXz}zm䁧Hvh@)iZ)ς&^R`QI#sJ<#{tg{q P}H ts/VUh3iϦ&1 Z޺>@Ib*x,$t晒p;gx ]$\Ya\x1k-VNA4ʿbUmUUX9bFʿA I^+'u3CwX:c|qS)\} ȡE?Ľd pCt3Tj_n]){q^XsuX3ͫfg@O7V1e O1iJ-y`gi@rAcLҏnkd3QߎA:Y)?ڏ⬙ qNLmhiw4T\xdX.;=1?gLSn'ҤrP'U9(4LO+4O;薢x-ϖ~ҧ޳!޳v36†-P_PV'$ gHS90G8X~k/3l7$XzCEX;qK9if\ o]~)&4/Y* T).-޴z;~is ч3Rqu`kN|f c$;5kOT%l9N1vn8](y?ӳoe/6-U;!Iᜮ);Ώ5ikD'6#.6РO@-vvxyۘk1ǁMtzLt~:A7}ˁm(klc X>):m>i q|W]:ʃ ilCsb ۆz|kȉca]_c=fCjG qpۑc K z?c?a]{0X*:ǁr:1'_Ƹ c71*ۉXc~5_K|`O~P=v#jG⵳۲~KyO-w+_Wo?bv[;l(I9Nw3;Aו}G4TD&8q⥪^.Kcr?c~Q voiLISM?cꜾ\XhX1X׎+?֨g}J;_Ɲv Z4Ta3OIF!e6*;ƴq{ Wvg_~Pvq #?҇v\ڰcgqxކqG~ZI0;nGHk5!d$:7.bN;w׎t[ ጳYԆ4D7;.:zρtԍ>qg8&pC+\8(BkTc>8qW_׺: v;iN!mj;ҸN{wCIl6$J#^諭 ,;;qWZ֣6TW~ l$j~;5 [XZW3bܐF7|XW6'jC2.vjꟶc=vipڸcY@q柸!k9!W=ȭJ uqUN8يn:g`z} yN^ρ4>05ܘXVLC#|/Ho,mGc?.*+ 6\msbRၻSo˸ =8."y™ V$ O ]+=oHV8?p&i#iZ䉥qpbiZgoҴbwbmSk ㉤ms厤{X!kwһ2K90uT|X_|'vWP*׈Tr#Ą` iCX+ y;0ڸ!]3}? ])w/ҹK )ybtpb\8I:WX8F||sҹ ?߇' Upc72nc6Xj>ҲSך;/w~`^ޑo80\(iA~;oGҵctշҼ#pNg%oNfgGҲΉ5qrpD'k[-mHlJ߾?BȎoiWqԄ'v59XZVd<=+w}fе&i\[ ozVڑXjMҲb ~bh3۷, †K#8/k\cܟدx#gҾ6nXc遥m>vmk~~ҷb5:Wܱ95'[zI:HL *>Myb_%=si5S `q9^/[#5.! ZaRc5جW'ŭ= 3:F#XGၓ *lv^^ ^Oʞ S;β݉*~'W&ȭ6LaǎdCWyĜ=JIVq-P/.fwY9:։eZhcY8,w(mArec<[4#c,O6D ɃX/t+ OxQ=q+^D6;>.({G̕$/Ѹ́天TaG1.OX6u$=Ffҁ5:?-w`ƚWy\~b[٣KohC&oNj.~|t Ve+'k~|sݎ=rbX91GmGl֎5btmzîx?pU^6ٰ[qnwwъ0O:F++~Z(mX/ +uj~C~$Ɂu۹\d:Mkls3Ӎn ` 玤#x[ޑlsځ5:1XNC/oI_7v$} Xo*7Hէ}tti[cX9~jeòCyicY!Ձ Ϊ<݊tK/a'1yъdUA/r/uZJdrgG,}|X'[6n:^q{m=1G%l6䣒7|Kb'u:ˉ>s`_ZP.x88[ ^4onC~?vNRyg:]qi|ۑm}!Sa?G_:z3OFB;dX##Nv8Kޱ߉#qO=F.*:#ǯ*'qi]c,IoQiW4}~}*˲?cή7cKckÁp-}`޶,ۑO7|`O\:pi=a9 ?,-8{8xeco72om ;'MnWK k<oxlǔ'*pB%*7Tp z`*:ρ ?bFҎ$]6=6W?cI]\؝ Q ;Υ@!}bIHKˁY@K`YpbI)c[BoF=d ԯ'vq`ɓgx;#Uw$YM '%9p#!@I)~b zEĐ *Ix1%Ƚ.;XcjIn`8v'_96ہ}֭@[^1XۚCz`#Ɏzv;O 7W$q}5݉]n$3^y}>sb \<1v*!ߩ4O,8t=qc;pP]SoHy8oy#`2O 7;,"k"MʁAzp{-Gۑzݖ«w@ kZ/܎m&Ƃq"y҉yw'ǯ΄Ea 7wّ^x!펿!މiāy{^@Q6'B=1/z_,/@vZ8><1%N'gxؐ{ltb+ge;8eqθz#Tv#aC?+ }`u2ak}ʁlazbxgq7rC#ãцnɐ(?8XO,n;ّːqrE/Eh|r>a?iρ]~lj7cUN1Tc;rOM P" gJk}IJ;̦91,le \jAr9QnPX>t"J"'vL7$7pz5.'7^݆ekRmGP/)7=Zڎ1A۴=;~(/Rlj)/s`zc<0_>kx`ʌp.OwyS7T/ >ubLoIP4!QE톴OdHn}ācNDa !ɋ;U;.䣴H{SCbَx_nXwld;[8[ GW'.56H~`#}q@U$wفc1ܫ_2vHRCZ 87t'sX:$ō{nM#ޙĒޑ__ݮCR ?Aĉ!)0Hr|nyI>`}zbɇiwa|[nk38;jqN:Osa]6u.\ v9+ Ips66?0gOrX+gұcKN6dЉrEZvC6['&^)73J8IǶN,-~Okͻk4^qN.u2C@5tW*w I\/+ 9ewax8('܀ߐgYֆ/(kþ'ِ O]GKvÁ'`?%^:ݐP2nI? 'ĒH8۱t2'v97iw:$~؍ IǏydDB^JmGt[Ԇ#ˎ|޴{=1p8ݱv"c-ʏQ[k^w%9=q7DaW0W@ah7q|}Gyv۱(%Xk3rbth1!$wU =CbEvDyaV@I1jix$;))ԩpYy..]J CϊU?Prɣ73tM9/q=鄁4UĚQUn/np)ÿc50+g!"iNow[tdnN>5 \- }M' 2AkyM1.5\*#G[$B5CdC.6?f(AM/A⊩*s3Q_CRCUΘɁ5r\1[ 0d5X_zNi.3ʇS6,Um5+ң=7nHcY~-)}=~}/<&ƶJ pc͵ I(m슄χi6Pg[a`çAG-YTs· 1%[)3ܡ ]D͹ol۹AM٠7Xh*'_ /xxrk 5a@sh8Hy'7SY%umI^UMM/ʷ_;m,ʍŽ,2 /||M$΄;uo@u'NTSZGݺv?ibKs\*;y0ꕩYRި!DL!˕!lX:BMϋvcB./̯k4V.1+STRE*Yq mjT}DSJHyb:uA}&oMKMRRk2t,L55d(JWY|/w?.hDϻhuOo70j߿q:MkI|O_ؔ ^u)^u)^3&yi[iRj5#eҟ0]hzw Ye6[ SZȌN=%sR5m]1r>Q&r4Fz้u Z=v;-t;b,nv"O+1EǗ=>N}\+0X1%@ڵQ8:Xer΢'gjSe ?+9i|^5Әw17yg/;,>bQ۴ɗV|8 yΩ6D2'|2i10R~mߎTZq^#(߲/_>j[_򴨁 S%U[>܃{;%Lu\K\ȤOĒǺu;I1MC)),]A4]9/28cU~钼bz5e Nga03h`^gn<}D Hnec[Fyj΍RCԏ _iqXW-mtN(>,seyz҈fR.A-\ +wʙG ^t}y /PGՍtPYkX#Hya 7TC,ģGtC*@"LZY.&mxe]z^,WX"Fu\Dh ˊ>͹u j5DwIK 8@吾t9i]0m<(x|웞^*?PiEJBY帮woE8b}QtBkYdֺ/sH/WFzbҧeY(}JӘrGe%ՠ%0hUGKߪ__XBK܇ Sx?K]؁8<QbS\,%ڔ5Lfd~m, Uي;ykJ"_Nprrqn7z G$+UJYklzIPۢur*I 75=/T?sm;sheԴ]T\FsUt~e"ܓɸߛ Blaƒ2OmTz JoE9ϷLP7ş$6j7UIk5G0C7TL!]C .'tYW~|yeY>cg9M=t|Vcn\gla K|v؂V֍տIJx"-St@lُ^q<Zě=ה[Sk8Z_bm|k>j|g 5t u}vu"rCfOQiDZ{K-?ik3BT?Y3 S`W 5S;)sQXo\=|؎X?"Ǽ6Cw_!z99]ȵ-?9aGƔv.}-e5I|EO_qxU￾fJ$eY󠢳&BDM)ߢyfbk)4ؑIxo[43uP1sxNuͩ}3]_%rRμPgsf1`akE*$ {=nv/ tre6K@c=͉SP#)xqqvb< xK$5 {:%q?ԏ'z;3ʹb)[@ծ'gڌljU %U?,#@}K, U*F| $p< H :=y&UvT֧x=7߲Vɇ$FtG/-'݇{na}rkp]oN^MO[3mݽxu:뢶U5Ƭ ȇ #+hF-̇ P=%Ē$^K#"lR9If\.+/# L]ZQBQssYVOgkHiтOR;(/^߄YZ]HmѲ\XEʫؤ"iŋ*k=p)DՊZ2ct%B)6K*x2Yk\9^zZy5bSY "FKSg{ZeO_&ȯSTo`k~=J/z_Yx57[me#Ik+U_ȭdz6޼wӆxRy=<mYoR9'qcT0Ȝ&~( @}(v]ų>]`^iA"^Gyft/&m|MPu?a1O]׼ɽqs-h"\£Vųut uRu/3`Puͩ$O5}2V)6mnsTҫKiϼrߴh(f~_:EFFߵkqpL2"Ҫs'^RS2/gR!O~oǏ6G$s,nkum[55Eү+ĉ1 )m #ȧXJyʑu^u#RXuyFh54~ۮcK%V߹-#GZ3o?a^Y4.,}g򐈸i%.Q-YiEns>uLE`Nsn^8~Pg*SWP.ڢ_qIx#֙8Z:nZ[_q"\k{zAMԵ'5/֑%,Z3#o؟SZZ®/5>ѱ93r,&}D(Gз7wL[|tZ#a~z+V^%d^޷iw8 ۯebocy}9GJYp8̔l9=$၎^vzGMok>wQRvL-wʫ1j6}+ g-yζEW3SGľ릌&GH-gKWku`PےE Rוkt#z!Em]z.wcFp]i:-C/E4*/(!6J&lZAܺaG b|"m֭;H}}ntïfRƃtukknew;.90(mɋte J/3tpUf-Fp-(X9=`=9\Kڣc:V;ϋK;gc75v*r~e)&pҢ^U6h@NN#9.@_"Dq`۔hzNZ}|pʑwP4zj./}WN8xuT*=dﲢk5!뚔ڋO?4 ?⨺]k.4|!K.&[ٸk_ `ɑW_Hx,+ۈ55*kU)n$0փ UuIDw3/Ʈ27=&[~ykWb|P:zKYO$e"u[BO[$f{6^4\.5Ru%-<~"c yuESY弋_Ys}ʘՏؼ;OSzħZ=-[>t؝7A_?^LYS/7M)ےik9ֺ 7qM~RN?Kյ:7G\UHxr@zgw}j<0jJiےK]X[I5 q|:7ĵ}i*ѼZ]+ lF__w?IzU?>nBc/=?(jKJpT k $*[oPN3[.uo7l{%uVϼOzּ.I~Vݒ?:mʉ^+N}<}L[ ^ׂEqx=y ]4]4]w͝@D [mɋ{ҽ gu?z_.vH]򜓯qw_mp|NpV&MNےڸ kS<MR-KG{Sg9iK$aB={ {䞢ZjqlxGyuy|%ް)4NPIvjx/ei6m4]n5ֱ%Ua uz\¬Ć74!g&8<ŜU2{^Fp/-\;S(d Q) c(Gt날3@t藃u-0͸KM8}Y,DK.esE.@.+JuDQ>~Q̰Pxc AfQP@S*gO*b-nw-`3g=L(X.rV FQr\ɝe+m4Rwaת}rR,<1`Qyi~,):E%OP4{=Sͥb+gYt*inZ)*7=3tE> ɻoRGjb RTVpf1wvuķ?7 0Z"S]S\s|7>[s~_~WZSӽ2mQBȸάi7c.kTO_᯵؎#sq|}X'N2`H]isg_~*_Oʗ-] b/خ=TLxfd~v'k}kFnO.R^Gd㯀jO*m;>̋2~o{YJ_*0xzɇC \vFs?A}͛_B}V={sO'U~s%?i݉сSWhn[1EF)xZ/? wI1y_}FﴽiQLO,}61 8 p/ y3 ON<30 B^3 V9uO>FB^K=ŷCQZ9ţ8Pt@ۯ-$i4wsrqŠS(tl{jrʚjB۠MқNudpO!H%?TFJKEc=5yPn%9>SEji[ o%yFb3'2VGL/%c$.7TB(2.CZ}]6Kv+eZ)0Qʑ˕^:bng& lGrG \y cwdU=ezc__j[$Pex^5CT05iĩwЯ3u/+[lrYU=beEX7"0A]bDڇɽЈir|_hxdOk4=cbf˧sl#O,ghȍeW׾b񿶍]OÆ(l2\1*:^g%?f>1O?4_#T2N}ү2Pi<l&%+u#lڽ\*AH)7S n#礑{\YK7o ^~G)/oτg+T>~i~B)`i ,Ga[X: ICbߙ2 d2cRTms̛W.3>!)YB2DL1]fGǫ/y z1&z}{Qm!ޱk 4U*:]ɂ#Ru4 q*?O~~Ͽ?* endstream endobj 15 0 obj <> endobj 16 0 obj <>/Type/XObject/BBox[32768.0 32768.0 -32768.0 -32768.0]/PTEX.FileName(./c3_history_051118-eps-converted-to.pdf)/FormType 1>>stream H0 endstream endobj 1 0 obj <> endobj 2 0 obj <> endobj 3 0 obj <> endobj 4 0 obj <> endobj 5 0 obj <>stream 2018-11-17T15:52:02+05:30 2018-11-17T15:51:50+05:30 2018-11-17T15:52:02+05:30 TeX application/pdf uuid:ba3eb872-d318-42c5-a6ad-3a7d3cf70eb3 uuid:a8b4db52-7b02-4499-b56c-b4aa3b3f42d3 pdfTeX-1.40.15 endstream endobj 6 0 obj <> endobj xref 0 7 0000000000 65535 f 0000025320 00000 n 0000026511 00000 n 0000026599 00000 n 0000026675 00000 n 0000026727 00000 n 0000030129 00000 n trailer <> startxref 116 %%EOF

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.