Erika Salvi Alessandro Orro Guia Guffanti Sara Lupoli Federica Torri Cristina Barlassina Steven G. Potkin Daniele Cusi Fabio Macciardi Luciano Milanesi Population Stratification Analysis in Genome-Wide Association Studies. 177-196 2011 Mathematical Approaches to Polymer Sequence Analysis and Related Problems http://dx.doi.org/10.1007/978-1-4419-6800-5_9 books/sp/bruni11 db/books/collections/Bruni2011.html#SalviOGLTBPCMM11