Skoulatos, M., Goff, J. P., Shannon, N., Kaul, E. E., Geibel, C., Murani, A. P., et al. (2007). Spin correlations in the frustrated square lattice Pb2VO(PO4)2. Journal of Magnetism and Magnetic Materials, 310, 1257-1259. doi:10.1016/j.jmmm.2006.10.379.