Preusser, Frank, Shin Maekawa, Eric Doehne and Charles Selwitz. "The GCI/EAO Environmental Monitoring Program at the Great Sphinx of Giza." In Khaled Daoud & Sawsan Abd el-Fatah, eds. The World of Ancient Egypt. Essays in Honor of Ahmed Abd el-Qader el-Sawi. Supplément aux Annales du Service des Antiquités de l'Égypte, no. 35. Cairo: Supreme Council of Antiquities, 2006, pp. 217-224.
