1. Final operational report of airborne magnetic/radiation survey in the Eastern Desert;Aeroservice,1984
2. Tectonic analysis of a sample area, Central Eastern Desert, Egypt, applying aeroradiometric and aeromagnetic survey data;Ammar;Bulletin Faculty Science King Abdulaziz University,1983
3. A first course in Factor Analysis;Comery,1973
4. Statistical interpretation of airborne gamma-ray spectrometric data using factor analysis;Duval,1976
5. On the development of segments in the basement crust in northern Africa;El Shazly,1972