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<syntaxhighlight lang="latex"> | <syntaxhighlight lang="latex"> | ||
\newcommand{\degree}{\ensuremath{^{\circ}}} | \newcommand{\degree}{\ensuremath{^{\circ}} } | ||
\newcommand{\etal}{{\em et al.}} | \newcommand{\etal}{{\em et al. }} | ||
</syntaxhighlight> | </syntaxhighlight> |