@article{Pereira:2011kK, author = "Pereira, Afranio and Mól, Lucas Alvares da Silva and Melo, Winder Alexander de Moura", title = "{Magnetic monopoles in a low energy world: emergency and fractionalization in natural and artificial spin ices }", doi = "10.22323/1.124.0005", journal = "PoS", year = 2011, volume = "ICFI 2010", pages = "005" }