deletions | additions       diff --git a/figures/graph/caption.tex b/figures/graph/caption.tex  index 94fd7d5..187f892 100644  --- a/figures/graph/caption.tex  +++ b/figures/graph/caption.tex 
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\label{fig:charge_on_proton_voronoi} \label{fig:charge_on_copper_voronoi}  (color online). Proton in Copper: Voronoi charge on copper moving with $v = 1.8 ~\mathrm{a.u.}$ as a function of its position with respect to the center of the cluster along the [100] channeling trajectory.%