G. Bellettini, L. Mugnai:
Characterization and representation of the lower semicontinuous envelope of the elastica functional   
Ann. Inst. H. Poincare`, Anal. Non Lin. Vol. 6, N. 21, p. 839-880, 2004

G. Bellettini, L. Mugnai:
On the approximation of the elastica functional in radial symmetry
Calc. Var. Partial Differential Equations Vol. 24, p. 1-20, 2005

G. Bellettini, L. Mugnai:
Remarks on the variational nature of the heat equation and of mean curvature flow
(Preprint) 2006

G. Bellettini, L. Mugnai:
A varifolds representation of the relaxed elastica functional
J. Convex Anal. (Accepted Paper) 2007

L. Mugnai, M. Röger:
The Allen-Cahn action functional in higher dimensions
(Submitted Paper) 2007

G. Bellettini, L. Mugnai:
Approximation of the Helfrich's functional via Diffuse Interfaces
(Submitted Paper) 2009