@article{Gerber:2015op, author = "Gerber, Urs and Bautista Guzman, Irais and Bietenholz, Wolfgang and Mejia-Diaz, Hector and Hofmann, Christoph", title = "{Topologically restricted measurements in lattice sigma-models}", doi = "10.22323/1.214.0320", journal = "PoS", year = 2015, volume = "LATTICE2014", pages = "320" }