Heldal, Tom, Per Storemyr, Elizabeth Bloxam, and Ian Shaw. “Heritage Stone 6. Gneiss for the Pharaoh: Geology of the Third Millennium BCE Chephren’s Quarries in Southern Egypt”. Geoscience Canada 43, no. 1 (March 14, 2016): 63–78. Accessed May 3, 2024. https://journals.lib.unb.ca/index.php/GC/article/view/24203.