@Article{ DeLNovPon18, author = { De Luca, Lucia and Novaga, Matteo and Ponsiglione, Marcello }, title = { $\Gamma$-convergence of the Heitmann-Radin sticky disc energy to the crystalline perimeter }, journal = { J. Nonlinear Sci. }, year = { 2019 }, volume = { 29 }, number = { 4 }, pages = { 1273-1299 }, URL = { http://cvgmt.sns.it/paper/3880/ }, note = { cvgmt preprint} }