@inproceedings{Caselle:2008nD, author = "Caselle, Michele", title = "{Effective string theory description of the interface free energy.}", doi = "10.22323/1.042.0294", booktitle = "Proceedings of The XXV International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE 2007)", year = 2008, volume = "042", pages = "294" }