Tayama, T., Sakakibara, T., Kitami, K., Yokoyama, M., Tenya, K., Amitsuka, H., et al. (2001). Antiferro-Quadrupolar Ordering and Multipole Interactions in PrPb3. Journal of the Physical Society of Japan, 70(1), 248-258. doi:10.1143/JPSJ.70.248.