1. The mineralogy, geochemistry, and genesis of the Akashat phosphorite deposit, western Iraq;Al-Bassam;J. Geol. Soc. Iraq,1976
2. Carbon and oxygen isotopic composition of some marine sedimentary apatites from Iraq;Al-Bassam;Econ. Geol.,1980
3. Campanian-Maastrichtian phosphorites of Iraq;Al-Bassam,1980
4. Foraminiferida of the Dammam Formation (Eocene) in Iraq;Al-Hashimi,1972
5. The geochemistry of uranium in apatite and phosphorite;Altschuler;U.S. Geol. Surv., Prof. Pap., 314-D,1958