@Article{ knezanmie08, author = { Knees, Dorothee and Mielke, Alexander and Zanini, Chiara }, title = { Crack growth in polyconvex materials }, journal = { Phys. D }, year = { 2010 }, volume = { 239 }, pages = { 1470-1484 }, URL = { http://cvgmt.sns.it/paper/1315/ }, note = { cvgmt preprint} }