1. Al Farsy, F.: Modernity and traditions. The Saudi equation. London, New York 1990.
2. Babikir, A. A. A.: Some Aspects of Climate and Economic Activities in the Arab Gulf States. GeoJournal 13, 3, 211–222 (1986)
3. Barth, H. K.; Quiel, S.: Development and Changes in the Eastern Province of Saudi Arabia. GeoJournal 13, 3, 251–259 (1986)
4. Bedore, J.: Saudi Arabian industrialization: history and prospects. In: Gantzel, H. J.; Mejcher, H., (eds.), Oil, the Middle East, North Africa and the industrial states (= Internationale Gegenwart 6): 185–206. Paderborn 1984.
5. Berry, B. J. L.: Long wave rhythms in economic development and political behaviour. Baltimore, London 1991.