@Article{ frepar03, author = { Freddi, Lorenzo and Paroni, Roberto }, title = { The energy density of martensitic thin films via dimension reduction }, journal = { Interfaces and Free Boundaries }, year = { 2004 }, volume = { 6 }, pages = { 439-459 }, URL = { http://cvgmt.sns.it/paper/214/ }, note = { cvgmt preprint} }