@Article{ fonman99, author = { Fonseca, Irene and Mantegazza, Carlo }, title = { Second Order Singular Perturbation Models for Phase Transitions }, journal = { SIAM J. Math. Anal. }, year = { 2000 }, volume = { 31 }, pages = { 1121-1143 }, URL = { http://cvgmt.sns.it/paper/87/ }, note = { cvgmt preprint} }