Vizán, H., and M. A. Van Zele. “Analysis of a Permo-Triassic Polarity Transition in Different Absolute Reconstructions of Pangaea, Considering a Model With Features of the Present Earth Magnetic Field”. Annals of Geophysics 50, no. 2 (December 25, 2007). Accessed July 17, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/3077.