1. A proposed reference for measuring the citric acid solubility of calcareous phosphates;Abouzeid;Int. J. Miner. Process.,1980
2. A new technique for the beneficiation of low grade carbonate-rich phosphate rocks by digestion with dilute acid solutions;Abu-Eishah,1988
3. Beneficiation of calcareous phosphate rocks by acidulation with dilute acetic acid solutions;Abu-Eishah,1988
4. Beneficiation of calcareous phosphate rocks using dilute acetic acid solutions: optimisation of operating conditions for Ruseifa (Jordan) phosphates;Abu-Eishah,1989
5. A new technique for the beneficiation of low grade carbonaceous phosphate rocks by digestion with dilute acetic acid solutions: Pilot-Plant Testing Results;Abu-Eishah,1989