% MacrosMac May 16, 2005\input epsf% Font definitions\newcount\num\newcount\np\def\fsize#1{\font\tf=Times at #1pt              \font\it=TimesI at #1pt                        \font\bf=TimesB at #1pt \font\bi=TimesBI at #1pt              \font\tt=Courier at #1pt\font\ti=CourierI at #1pt              \font\hf=Helvetica at #1pt\font\hi=HelveticaI at #1pt              \font\hb=HelveticaB at #1pt\font\hbi=HelveticaBI at #1pt              \font\cf=cmr10 at #1pt\font\mf=cmmi10 at #1pt              \font\sf=cmsy10 at #1pt  \font\smat=cmex10 at #1pt              \textfont0=\cf \textfont1=\mf \textfont2=\sf \textfont3=\smat              \font\sy=Symbol at #1pt \font\bi=TimesBI at #1pt              \np=\number#1 \advance\np by-3              \font\scf=cmr10 at \number\np pt \font\smf=cmmi10 at \number\np pt              \font\ssf=cmsy10 at \number\np pt              \scriptfont0=\scf \scriptfont1=\smf \scriptfont2=\ssf              \scriptfont3=\smat \advance\np by-2                \font\sscf=cmr10 at \number\np pt\font\ssmf=cmmi10 at                \number\np pt\font\sssf=cmsy10 at \number\np pt              \scriptscriptfont0=\scf \scriptscriptfont1=\smf              \scriptscriptfont2=\ssf \scriptscriptfont3=\smat              \font\mb=cmmib10 at #1pt \def\bmath{\textfont1=\mb}              \num=\number#1 \advance \num by 2              \baselineskip\number\num pt\tf}\def\b#1{\hbox{\bmath $#1$}}\def\smb#1{{\fsize{9}\b{#1}}}% Color definitions\def\rgb#1#2#3{\special{color rgb #1. #2., #3.}}\def\redfn{\rgb{1}{0}{0}}\def\bluefn{\rgb{0}{0}{1}}\def\greenfn{\rgb{0}{1}{0}}\def\cyanfn{\rgb{1}{0}{1}}\def\black{\rgb{0}{0}{0}}\def\red#1{\redfn #1\black}\def\blue#1{\bluefn #1\black}\def\green#1{\greenfn #1\black}\def\cyan#1{\cyanfn #1\black}% Figures\def\paste#1#2#3#4{\ff\vskip2mm\centerline{     \vbox to #4mm{\hrule width #3mm height 0pt depth 0pt \vfil     \special{illustration #1 scaled #2}}}\vskip2mm}\def\pasteps#1{\centerline{\epsfbox{./#1}}}\def\text#1#2#3{\ff\vskip-#3mm\noindent\hskip#2mm{{\fsize{9} #1}}      \vskip#3mm\vskip-\baselineskip\vskip-\baselineskip}\def\picture #1 by #2 (#3){\vbox to #2{\hrule width #1 height 0pt depth 0pt                    \vfill \special{picture #3}}}\def\pastefig#1#2#3#4#5#6#7{\vskip#5mm\ff\hskip#6mm    \picture #3mm by #4mm (#1 scaled #2)\vskip#7mm} \def\pasteleft#1#2#3#4{\vskip4mm\noindent\ff\hskip#4mm      \vbox to #3mm{\vfil\special{illustration #1 scaled #2}}\vskip-2mm}\def\textt#1#2#3#4{\vskip-#3mm\noindent\hskip#4mm\hskip#2mm{#1}    \vskip#3mm\vskip-\parskip\vskip-\baselineskip}\def\longcaption#1#2{\nobreak\bqo\noindent{\fsize{10}\bf #1}    \ignorespaces{\fsize{10}\it #2}\eqo\par}\def\caption#1#2{\nobreak\ce{{\fsize{10}\bf #1}      \enspace\ignorespaces{\fsize{10}\it #2}}\par}% Mathematical notation\def\bfalpha{\b{\alpha}}\def\bfbeta{\b{\beta}}\def\bfeta{\b{\eta}}\def\bfdelta{\b{\delta}}\def\bfDelta{\b{\Delta}}\def\bfphi{\b{\phi}}\def\bfPhi{\b{\Phi}}\def\bfpsi{\b{\psi}}\def\bfPsi{\b{\Psi}}\def\bfmu{\b{\mu}}\def\bfnu{\b{\nu}}\def\bftheta{\b{\theta}}\def\bfTheta{\b{\Theta}}\def\bfomega{\b{\omega}}\def\bfOmega{\b{\Omega}}\def\bfsigma{\b{\sigma}}\def\bfSigma{\b{\Sigma}}\def\bflambda{\b{\lambda}}\def\bfLambda{\b{\Lambda}}\def\bfxi{\b{\xi}}\def\bf1{\b{1}}\def\sbftheta{{\fsize{9}\b{\theta}}}\def\sbfTheta{{\fsize{9}\b{\Theta}}}\def\sbfomega{{\fsize{9}\b{\omega}}}\def\sbfOmega{{\fsize{9}\b{\Omega}}}\def\sbfbeta{{\fsize{9}\b{\beta}}}\def\bfq{\b{q}}\def\bfQ{\b{Q}}\def\bft{\b{t}}\def\bfT{\b{T}}\def\bfv{\b{v}}\def\bfV{\b{V}}\def\bfx{\b{x}}\def\bfX{\b{X}}\def\bfy{\b{y}}\def\bfY{\b{Y}}\def\bfz{\b{z}}\def\bfZ{\b{Z}}\def\cfA{{\cal A}}\def\cfB{{\cal B}}\def\cfC{{\cal C}}\def\cfD{{\cal D}}\def\cfF{{\cal F}}\def\cfG{{\cal G}}\def\cfH{{\cal H}}\def\cfI{{\cal I}}\def\cfJ{{\cal J}}\def\cfK{{\cal K}}\def\cfL{{\cal L}}\def\cfM{{\cal M}}\def\cfN{{\cal N}}\def\cfP{{\cal P}}\def\cfR{{\cal R}}\def\cfS{{\cal S}}\def\cfT{{\cal T}}\def\cfX{{\cal X}}\def\cfY{{\cal Y}}\def\cfZ{{\cal Z}}% Page definitions\newcount\npin\def\pin#1{\pageno=#1 \npin=#1} \pin{1}\def\pnum{{\hb\folio}}\def\topline{\hskip-3pt{\fsize{12}{\rtt}\hfill\pnum}}\def\rtit#1{\def\rtt{#1}} \def\rtt{}\def\page{\vfil\eject}\pretolerance=100  \tolerance=200\hyphenpenalty=50  \clubpenalty=15000  \widowpenalty=15000\def\ragged{\rightskip=0pt plus1fil \spaceskip=.3333em     \xspaceskip=.5em \pretolerance=9999 \tolerance=9999     \hyphenpenalty=9999 \exhyphenpenalty=9999}\def\lin#1{\vskip#1\baselineskip}\def\vlines#1{\def\makeheadline{\vbox to 0pt {\vskip-22.5pt\vskip-#1\baselineskip \line{\vbox to 8.5pt{}\the\headline}\vss}\nointerlineskip}}\def\fnote#1{{\begingroup\fsize{10}\baselineskip11pt              \footnote{}{\kern-\parindent #1} \skip\footins=24pt plus 4pt minus 4pt\endgroup}}% Paper formats\def\standard{\hoffset0mm \voffset0mm    \vsize239mm \hsize159mm    \parindent=20pt \parskip=3pt plus1pt  \footline={\hfil}    \headline={\ifnum\pageno=\npin \hfil \else \topline\fi}    \fsize{12}\tsize{18}\tf}\def\usletter{\hoffset0mm \vlines{1}\voffset\baselineskip    \vsize225mm \hsize164mm    \parindent=20pt \parskip=3pt plus1pt  \footline={\hfil}    \headline={\ifnum\pageno=\npin \hfil \else \topline\fi}    \fsize{12}\tsize{18}\tf}\def\wileysize{\hoffset0mm \vlines{1}\voffset\baselineskip    \vsize239mm \hsize152mm    \parindent=20pt \parskip=3pt plus1pt  \footline={\hfil}    \headline={\ifnum\pageno=\npin \hfil \else \topline\fi}    \fsize{12}\tsize{18}\tf}