@Article{ GrBrChDaMa11, author = { Brancolini, Alessio and Chimienti, M. and Dassisti, M. and Granieri, Luca and Maddalena, Francesco }, title = { Variational Techniques for Assessing the Techonological Signature of Flat Surfaces }, journal = { Optim. Eng. }, year = { 2013 }, doi = { 10.1007/s11081-011-9173-z }, volume = { 14 }, number = { 1 }, pages = { }, URL = { http://cvgmt.sns.it/paper/1806/ }, note = { cvgmt preprint} }