%0 Journal Article %A Theil, Florian %T Surface energies in a two-dimensional mass-spring model for crystals %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2011 %P 873-899 %V 45 %N 5 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2010106/ %R 10.1051/m2an/2010106 %G en %F M2AN_2011__45_5_873_0