@Article{ ansbrachi01, author = { Ansini, Nadia and Braides, Andrea and Chiadò Piat, Valeria }, title = { Gradient theory of phase transitions in composite media }, journal = { Proc. Royal Soc. Edinburgh A }, year = { 2003 }, volume = { 133 }, pages = { 265-296 }, URL = { http://cvgmt.sns.it/paper/835/ }, note = { cvgmt preprint} }