Open Access
%PDF-1.6 % 7 0 obj <> endobj xref 7 48 0000000016 00000 n 0000001474 00000 n 0000001549 00000 n 0000001670 00000 n 0000001893 00000 n 0000002020 00000 n 0000002131 00000 n 0000002198 00000 n 0000002250 00000 n 0000002829 00000 n 0000002881 00000 n 0000003068 00000 n 0000003120 00000 n 0000003306 00000 n 0000003358 00000 n 0000003933 00000 n 0000008895 00000 n 0000008970 00000 n 0000009191 00000 n 0000009243 00000 n 0000009431 00000 n 0000009483 00000 n 0000009671 00000 n 0000009723 00000 n 0000010293 00000 n 0000010345 00000 n 0000010533 00000 n 0000010585 00000 n 0000010773 00000 n 0000010825 00000 n 0000011398 00000 n 0000011450 00000 n 0000011683 00000 n 0000012719 00000 n 0000012771 00000 n 0000012957 00000 n 0000019010 00000 n 0000019085 00000 n 0000019308 00000 n 0000019360 00000 n 0000019548 00000 n 0000019600 00000 n 0000019788 00000 n 0000024521 00000 n 0000024741 00000 n 0000025120 00000 n 0000025619 00000 n 0000001256 00000 n trailer <]>> startxref 0 %%EOF 54 0 obj <>stream xb``e``5fLӅb^& Ә7708>````a`d=J% 0Gaӕjqw600)e&yh1I^0!k;f.Peh0, endstream endobj 8 0 obj <> endobj 9 0 obj <>/Encoding<>>>>> endobj 10 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 11 0 obj <>stream H*2PHbw.=3#S SM L,,s=sM\ < a endstream endobj 12 0 obj <> endobj 13 0 obj <> endobj 14 0 obj <>>>>> endobj 15 0 obj <>stream x]TI1 zF\D3aH |0T^W߂ԛU"kZ+6Loڡ>< t*gI -(312ɉ 0E.\9/EQϾM-!u+A 5R&0 h/G BwG0"9Ԍ.)KͱNiCI MFNKnfF:h(%ll&ox6a|JP^8޳ &nNۭAuG2SybWɲShfYk׮93^knwQCcwSibcElsG=;."q:z<3gyGvK”B 10lqgH6 {Jkw>=d_2E(rtA.\0SIY~r~Ώг~_ endstream endobj 16 0 obj <>>>>> endobj 17 0 obj <>stream x+2PtDb.3K=sCC# C=#CK3=#3#= c#T4@.' endstream endobj 18 0 obj <>>>>> endobj 19 0 obj <>stream x+2PtDb.s3=s##s=KK33=#3#= c#T4@. endstream endobj 20 0 obj <>>>>> endobj 21 0 obj <>stream xUK0 D>NP) d6E)vۃ^4UA-~?ۏj5;jèӖƶ>YPrީ{Q;HW*v +57Cy:8ݸYঙJn[v/= n=0}#ٸ-aLʌLE&&@F UKUֻٝwc+O. يext7ur׍XթU)KU'"j9hy~ƦNc!+W.ǜMJ Q6z\a:czbc{ݹG{g $7:RjNpu{ >g2җmz`S`UnxNqjy''6Hoxyzx?ۑVvG:~6ۥ endstream endobj 22 0 obj <>stream x[]]׾ Tp;n"!E!!QUBA!J+U@-R*P"RTiHuiq.~޿s}>gϚ9>xkk={VWa-@#oz x cH[ci ^'f_||l6|x>9O8{8svsv|9g_9vvUgg']|gW_?[ jL%4 WVOڡmlJE RhfIlq*lkȖ60O{fkH7Tjqڲ̞pHNT&iil]]yRp Rn*@{ [lDmlZA* NdFH2V+RK*@9JyٲyeO= #UHWeHS%}A7T!U_zҐ-? PWMdml)If T!U_)>mx)\xهozHRktԞz>[ [oOW T!U2ʺ `iw< UHWqb hxYw9µ RTKl7-3gZ*{-OCtY ݗ-]NjYfzho* P9(=9dS:[re\.6BJmȖZ27iDMhB7<ךKr͛7^剱%*@HR(&U-0[6fάSjz]K8`"UHWTg;-sP ӵi* BeIc&`X^-m _}k #(T-Y?@2$-' V{Z]MR@Ԫk z-k.TI\48*0=c|<1V**4Z,R/='ofo,5Wt- 0jU4`zƂ<봂UVoFl60G-^Wod"ͫyRS.*[=qyߨu"0ِn\ԓ NՠzT괂UV|3%UCmk}zzC lZ¬L6jڑ'\si^ՠzT괂uY PTKǓ {7s}Fv S=LLMԴ!=N2xͫTjS/<A(u3_7#:qa3AxIs.jZzؙ\W5զ:R/;s8`޾gv82LcQ%diZG$:h^pV96;`T'i\4`N_7_\OXB&Lh^- ͥyUQmʙ`] _jSWͮ3#FsܫC[ʄVD-yhVsi^ՠzT ]E(\}=Fwn;xD+J\Wim ͥyUQm@KH.3ϟ6O1/_0]7nTE7Q-ދPM&JJ#h4lSh.z[% _OL;hdߤ9>;`N_<[7|֓\Wim ͥyUáw lF 2;oxl lȼtq`rDS*EZWRN#ՠ o *|A5 ǒ pdotTQ;yRkm ͥyiz?wwqĮk،2JE\DD=vԫ4F_f{j\*|6'=_6OБ'GWGc}sEops@WUAi\Wdo 2|by߶O}gScSCc//3v82?Y'c? t^4F)4'GLpG?%s'v?:hv,2LM:s?gp-.ЕzFh٦ŏa|ܑ*ʰ㏟6v0{:n>IL [sP!bJJ#1S3E%(@QΏ=ev){{OMNxxb͟? t^4ڶoN(u_2R*L_0ݠo:|^͗O<35s@WUA)4 |HɨϙX0Ό_cvw /W_k`tX5l=hy€9{ц]Wim 4|+ U:u<25av:b,ˑWkdazюFl ͥyUCTad{)>X~-rzsn5AWh4lSh.=5 -vivk;#݉\Ⱥ8HAidBy|[Teieƨ:d޸o޾g.m.}AS5آj4lSh.ͫTʴ EZBusq6!Eu~sma$6Zغh٦\W5|TK (I懒и7\Bi$v4jP=-h FR=$jjLZ\4#5f|̉&W5զ:ou*|^:h_GI:@kɏfSF5զ:ou*-z'$Y2ÈQ gvϨN+8h`~f{ $q/)r0Q=Mue7 @ /+G] JU8'}ʃo  _+'2|H6OR1r%6Q- ְ7@ RSF-|wO|>yMNՖ|﬿*o& o۩&I.IZv'L -q*6j[ {\0^\y"RlDIh3a*xE -g*͘#tWOtNoyp(WҪQ[|1 T /՘T)ȓYQdzϖ_ @ J6' t-zLtSOV-C4a1J&m6Uc U8^jR^OB&XRB*>/ExtGState<>>>>> endobj 24 0 obj <>stream xM 0 {O gT!*@qɝoTH4A2R< &{Ì9v-ba0VS4Sf%a_aLUz7 endstream endobj 25 0 obj <>>>>> endobj 26 0 obj <>stream x+2PtDb.3c=sccCK=KK33=#3#= # T4@.4( E endstream endobj 27 0 obj <>>>>> endobj 28 0 obj <>stream x+2PtDb.S#=CcscCK=KK33=#3#= # T4@.2 < endstream endobj 29 0 obj <>>>>> endobj 30 0 obj <>stream xUI1E>OxRzY$5V>fW1׿ƪcM` pY}LߝmX3 d"*ar2$d^?K1HEOVl+D8W/&,zFQKDʶ2b0`' +teťY2{GX.ޑYAdR`JTjn&c^K #ӥhWSȅСZYϞBTSOV2}Jehp}H_ ©{Tx>@m"pRoi꼍'#w~r: endstream endobj 31 0 obj <>>>>> endobj 32 0 obj <>stream x+2PtDb.C3=cK # #=S 33=#3#= c#T4@.3 > endstream endobj 33 0 obj <>>>>> endobj 34 0 obj <>stream x+2PtDb.##=sS ##K=c3c3=#3#= c#T4@.2 5 endstream endobj 35 0 obj <>>>>> endobj 36 0 obj <>stream xUTK! s N@0#G=)yYdR{hUs(_u>믏^? uoTA[fԛ8XPsᨡ>L[gOjH``Ixly}d& )q8 #0ap 4[`tB Ahc,A\=U MydAc+@N)$ 9etDa0ͅ8)ZLi0AOft,I&s7eXcS9<-gķcYѝr.٢]oԟxձl!SЬ_Kz?w endstream endobj 37 0 obj <>>>>> endobj 38 0 obj <>stream x+2TtDb(?]@P@ cA" )\ @5@ s̍M-tM,L ,t T'@@.9 endstream endobj 39 0 obj <>stream xWfje{[ii2pP9(8ED2.pp S2G{}x󴱛F`[9d9;-;8{~dX~lX$ml'`ndt_v'~3@sdlu tE6й* tGw`9Hp!}0tGꎉ ?DN #u'&T(i㺿3ug g ω!$ Ϗ%8%zyb'WrDrQweLRuנ&ݠ4r]}p"Ln$7[tv۲tgVݝn]=S7GNu=@A83t?l{Ezs; 6x:Nwiro! Ca<Q\pB$tJM39%+:+*+{ zz d%}u}% "]LпD7]},x * FC2 庛*ȭtWU鲻0r40nd-yn2I6=LkI&5&ȚQ]]=v?{,.zD O.}Ot+ʧUh3ps2zQ*zu+ݛ׺ѻo{&# ?FԱF٧uITyI8 |ѐ!l_6d,Fp&m<+)-뚊s`Csp\.RV-U`Kk%|S T endstream endobj 40 0 obj <>>>>> endobj 41 0 obj <>stream x+2PtDb.scc=cKCc3=# K ij`gadP(  endstream endobj 42 0 obj <>stream x}d]Mvjhk66Z-j iA$VҠb`mBH "P[@ B xݽ^w)K ,O<=9̙3g=y'?3{9;|J$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$Iz|7R T,݄ SERoOz6x**00aUfAaH''!#2SEZ5f 7aUf෹"&}`w eHZZ 6jVSTrbe̙ibHUYI:*T&qɤ>I?1Xj*T&{E FidG S6[,=N?r"UT*OZ/= %I`dH-WISyv䨂6YF;5[roW8RLSEV%R'H;#qKk3s# !2̲8%p?q y-<~p%J䨂6F;$[LbH.U>LҲ%d< Ͽ=Zy`K8cb!\4?ztsHdDv۶Ö64qމ~pev- C]Khm`Z͖vl1U4V*t hXc4O®zz"\}*|g<[[_6+ ֙|2~4ɣo<9|qW)J4J*zim3LR SEjb*RLOm&; =|@\k2p3оdO X#l ͜;=Xry\p鎩((9. N% zX|4`iv)[L #STs?e/Y)SM~\fqJHlz~6 ᷾;7υS9g+%P%GE6;zNۖL #ST<' ,G> wgaY%9Ue Ӫ7Ď㿚 wBX_N{N;a9&ξ%Q7? OQQrTA]Khm`ZN/KӶqPs@bH&UJ>,:=xt3 (xu,\}}76sSs,37c]-On /ne΅)>_s'u+%P%GE6 ;z]n,m;2U4LSE2Sirr0#9ZdJ|p)f,3kzމLwHX/ra(V|( ^ڐݳL;^#zGO9hdh8*T.S%>?4>°Ǟyk40N)zt3Ey'0>} ~$i(9. [9ig4 zDit{h>z62U4JWd>h̨~K YʭQm JV^"Űp5Sθ)T'MR+9. Om:Z?^#zGO_}]i>z0KV*TyXmF=cFIĈ]6l9ꭁ9֐sg5~ %GErzA= ~?K+-Gd*ZLSEVWOjS5*le)k<?._կ_#Ok"Įa [vpQuQ/m=>^#zGOԖMkWڽT*f*R:JcImvN.xe%l"-|ޅNnA-Wӻ-QT㛨ziC6ZN/e~mΠ"[SECT1Uju3OTm w_H:H\tCcFW2Ay QuQ/m=d;z]+lӥG7OTab ^qŃ[kAu|a=8/#Cog\ޣJގ4%;z]OjtmTe3*d*RU~S?6琮 ~/|+d' Ds)枽8>TޯP%GEY"i9hJZO> Ҫg*R*?&&kS/9SWdfZfRJ]f;_|~:%{pOJS?\5p@STQ8 ߻A/e2}odM{L STT>xt(֙Yxd`09bQ Kw}J>&I6L ί.PiַrѳiSET1UjdHx^ue]}{>t"r\aA.}7o~penl7K^ ovzA=.w~N03ULZ]J}\v2+;оpOޖE4;MjlWuWG8Ӟ,~MzӋ؇F;*Lt粆G_!28`yM@w0W`738bmӁN=*zim3L=w閟l8rLSEqP+M3-Rܒ-1`/M3&™`UGo [.>$xjC\o~p%J䨂6F;0Oꓴ iH0ULZ]J,Kْ|E#ZXc#ṃl%f~Ů<g?ؿS@iR$@o5]lތܜ'mO1U"CR lmgKˀ(QrhI C2ep$@x#my<07? OQQrTA]KhOnȓ͓C-%STlyMDLxx\KȈQ29d+R (تÿy\|(ӑN=I!Ofb6 y"i-m 5}u)Lwmg_!x× 2#AP4K~p%䨢]P:.u"Uݽl)~HԔ0B3jS^Ƨ(!#ɜI$Y 䉩"uT1U~XNeK&^ (dR=)G5F&Ifb$O#e&b*R?,3[sslMQ6iqY2ӊ ,kD:LSE)܂)Y6ɗP!EeO̚'R%LSEgKqLv3<x)˙/3=>C Toie:TeK"IΙ-yeJT˺y2d@I9>$u40UUlaHTV=3DqctH"I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$IC p endstream endobj 43 0 obj <>/ExtGState<>>>>> endobj 44 0 obj <>stream x+ T(240340U0130Q0233E y\\ 0Q0B]$> B\4RHO4PH/VЯ02Sp B endstream endobj 45 0 obj <>>>>> endobj 46 0 obj <>stream x+2PtDb.CCs=scC =3#K3=#3#= # T4@.2| 6 endstream endobj 47 0 obj <>>>>> endobj 48 0 obj <>stream x+2PtDb.Csc=KcC =3#K3=#3#= # T4@.3z > endstream endobj 49 0 obj <>stream xX{xTյ̜3gL$aH+!!0b$DD1 "@X@ "P BxHA"X+,>PFJ-Jo;w ׯw~{g^kZ{!Z$8eHJ4qYAHb>!z**1xMv<}'6ur$c!ac(nf̚3֥lv:}rdBY.1yN6OUOL$_.§TFV 27ݠv>_b$L[_i;Ӗe$d#jHH4ʮ-P>!l"?RL 2 ;HQ p9 ge_H;$vIy ɾdAGut[tdǖ&V=ex&d]"*QI I5la ;Wz:$bkWhd螜lKiIjnظ7ޠq q:x8%Nb9Es09aQ-Dӧ\<ل<̉deNOްޠIa@[&oISDmIz]<[ A<KpݒLܖo@nUm#@ƔxS+CX_e{@T(\6[<*؏Ze~ζ/+aůܡ>GyC ji>~rG0HJxZ"|Do(QJmDW;YvQ2KICJuP8(+ҦsbRw\,}=EچvSjL4jE^s~cY@氫{u}NiΎlzZDg5JJ dR D3 A3L)J,J* RҪ''ɋSVӮ%^z{eIe`YrURU*X\T &ǖRby <#5ESS럓|*r-{]ܹrݾRG`B$E $K{S.)GN2o+w} G%)4JK~ů}^j/ e:ȩIvҕtGT7#:=)=HVԩu:cY$ Nn!!,ёQ+2W3b3Rl&QזmgIPKѰt .hz>VqleSw;^|YbsDǺ {RS斌Urw[p$?[Lla_D(;A ƣr=>$ 4/Zd?q2}=Bw_sӥ]]rm.B.MܚԈU4EU*Љ5zPwiNabw3vj+SԈ+dl=Cw5<&cWmmТMR\mr2Z蘨LWZmQ2rR1'L1W:]4 QdAaOwnj7g4H.͕XW;h|wq'1)`26S6텎a=i1t4Xqpb.] G"يG(O,Of4) KBʗIǧ9}[wYz7%S h]Ѿٍ˟]nwV7圏>KPnGu9}2OdqGyZRDkǍĪpۉWy)R 3v+I%*} tԗ0χM 1$#.Sf;^u;CS~T\iFTn>~K4~vEPFѻĻkwdv4#md $0c (&'[o+,okHL&27L y>flLT47s xO COۼov83r]h 9.Tu(r9FLFԢw9Bojdd2jk._“0$Ǔi؎ZQDσ016AfyZݎ }i11$REEWg٧Ͼ-3jA>(|vty ֗0i4IqCtL  LN촾HOp|ޭ(z'{\ sV>M&̷jDW [3<ɷj׭Zs_137.\BN`>B [={ҫd1y{xƾm*93 hb$9K FnO4vY N}nw:u8..ۧ] G}*wǸJn<&v "b]&5':@`?sl`md&ۥ|rĶCEsu,GJ*m)k"՚7{?Cl_K-_்p5Yr'+y#ggO ᲀKcGp '^ ~?l2} »pAy<8w(<8{~vN!Noj'I'lc ~oDC^pDapHk 8 `B|x{JU)5;a~~ f?~悝;B|g9h!h++]Ol[_Ά.I9qJ~,`F'$`67KuRa/ Xۨ5X4U.:VvX_)`ReKa~,[ڇ/,A1 ϩ ϩPP bh Xh 0;8oyr)9.x xRvn'af;T ǒQӍB>},<"`2 F$j|5Gݍ0 Kjp(0c!|` 4( _> endobj 51 0 obj <>stream x]QMo0 W* Ji.HLi(/9Κه_T&cuy0XQHF)<8EsNh>cr ~ݳ^F|{ =S͹Eۂ){0#dɼt̛O9^P4yB3M@#[I]/> endobj 53 0 obj <>/Font<>/ExtGState<>>>>>/Type/XObject/BBox[0 0 833.408 346.967]/PTEX.FileName(./Figure/GravityImage.pdf)/FormType 1>>stream xX6+x=̐ΡE=lk$ -694>J,նD-X$ߌf޼מ&1{J"\}}^]0K \||t; )$G9$5_Hݫo*t?ӈ;|pp=[+%>DL_pbnoldM1:aXa_ww}I0_bq\<%vTNΗ9_؛fKΧוnrY)żMMHh1RBEPrRz)1%$!7wۻ}|w匓O 4"H{"l(=9>jGbԴ"6be>R1c%J%Z<{5M ~#ob"eȱk8Loߤ=des3 x$pA^'LR`Y5ĐQ1$Op HuK A@;rm=Xebl FTo1!ep@uge#– 4ޣiD}.t?gieSv[];qQ)Bj:1LLs ߎ^+^r##XydDm9#|WD*ENmB&j K@dd45AAH4I'ja"SFpH%rBNݘ,f2p!{A0jIJL fG.?Pk5rQ ˦M'ߑD:s~0-{/_1ks?Q;N3`X9tm77GI/M+Σ`\bdv.#ZVL wJll[ P$bNHKC1CjC"$-1BĨ A5DyM9EUґWV8m"B^!]p1e4-pfk#Y㢂ʠǓV%:c>t#K!#gsv?a膵 Z]+A rvI<r5zmtJ>q!0\.`X/ c̮=r4ba}Ri hcaLXOr)hS\N=bi" Mq̰ f,R^ϰd42XZXVP|M7e$#)@RB>{NL>;6 O?>ael Wu?SBc޺ak 2 0GJr|-.XP~SX,_׬Xc. endstream endobj 1 0 obj <> endobj 2 0 obj <> endobj 3 0 obj <> endobj 4 0 obj <> endobj 5 0 obj <>stream 2019-03-18T09:42:40+05:30 2019-03-18T09:42:04+05:30 2019-03-18T09:42:40+05:30 TeX application/pdf uuid:9376a9ad-3d9c-455e-a1d6-2423d8a6eae8 uuid:e5dce478-9794-4d8c-add8-95d48aeaed6a pdfTeX-1.40.18 endstream endobj 6 0 obj <> endobj xref 0 7 0000000000 65535 f 0000027537 00000 n 0000028728 00000 n 0000028816 00000 n 0000028892 00000 n 0000028944 00000 n 0000032346 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.