Spehling, J., Günther, M., Krellner, C., Yèche, N., Luetkens, H., Baines, C., et al. (2012). Magnetic order and spin dynamics in the proximity of a ferromagnetic quantum critical point: A μSR study of YbNi4P2. Physical Review B, 85(14): 140406, pp. 140406-1-140406-5. doi:10.1103/PhysRevB.85.140406.