1. The north Tumuli of the Nabta late Neolithic ceremonial complex;Applegate,2001
2. Site E-92-8: A late Prehistoric C-group component at Nabta Playa;Applegate,2001
3. Contribution Archeobotanique a l'Histoire de la Vegetation dans le Sahara Oriental et Soudan Central;Barakat,1995
4. Holocene Settlement of the Egyptian Sahara, Volume 1, The Archaeology of Nabta Playa;Barakat,2001
5. A 14,000-year oxygen isotope record from diatom Silica in two Alpine Lakes on Mt. Kenya;Barker;Science,2001