1. Abed A. M. (1988) Guidebook to the 11th international Phosphorite. Field Workshop and Symposium (Jordan), Outlines of the paleogeography of Jordan in the phosphorite times, pp 71–80.
2. Petrography, geochemistry and origin of the NW Jordan phosphorites
3. Petrography and geochemistry of some Jordanian oil shales from north Jordan;Abed;Journal of Petroleum Geology,1983
4. Petrography and age determination of the NW Jordan phosphorites;Abed;Dirasat,1987
5. Abed A. M. Fakhouri K. H. (1989) On the chemical variability of some Jordanian phosphate particles. Chemical Geology, In press.