@Misc{ FriKreSch20, author = { Friedrich, Manuel and Kreutz, Leonard and Schmidt, Bernd }, title = { Emergence of rigid Polycrystals from atomistic Systems with Heitmann-Radin sticky disk energy }, journal = { Archive for Rational Mechanics and Analysis }, year = { 2020 }, pages = { 58 }, URL = { http://cvgmt.sns.it/paper/4689/ }, note = { cvgmt preprint} }