Moessner, R. Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
Sondhi, S. L. Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
Castelnovo, C., Moessner, R., & Sondhi, S. L. (2008). Magnetic monopoles in spin ice. Nature, 451(7174), 42-45.