El-Rahman, A. H. A., and M. M. Abou-Romia, "Anodization of Hafnium in phosphoric acid solutions", J. Appl. Electrochem., vol. 20, pp. 39, 1990.
Abou-Romia, M. M., A. H. A. El-Rahman, and H. A. M. El-Sayed, "Corrosion inhibition of commercial aluminum in sulphuric acid solutions by some 3(5)amino-5(3)phenylpyrazole derivatives.", B. Electrochem. (India), vol. 6, pp. 757, 1990.
Gad-Allah, A. G., and A. H. A. El-Rahman, "Corrosion behaviour f non-porous aluminum oxide films in acid and alkaline solutions.", B. Electrochem. (India), vol. 6, pp. 658, 1990.
Abou-Elenein, G., A. H. A. El-Rahman, and M. S. El-Basiouny, "Polarization behaviour of mild steel in sulphuric acid solutions containing azide ions.", J. Indian Chem. Soc, vol. 67, pp. 726, 1990.
El-Rahman, A. H. A., "The inhibition behaviour of some 1,2-azole derivatives for the corrosion of mild steel in sulphuric acid solutions.", Mat. -wiss. u. Werkstofftech, vol. 21, pp. 365, 1990.
El-Rahman, A. H. A., and M. M. Abou-Romia, "Formation and corrosion of anodic oxide films on hafnium in nitric acid solutions", B. Electrochem. (India), vol. 7, pp. 119, 1991.
Gad-Allah, A. G., S. A. Salih, A. H. A. El-Rahman, and A. M. El-Galil, "Effect of alloying with antimony on the dissolution behaviour of lead in H2SO4 solutions: Further investigation.", Bull. Soc. Chim. Fr., vol. 128, pp. 635, 1991.
El-Rahman, A. H. A., T. Ohsaka, F. Kitamura, and K. Tokuda, "Oxidative polymerization of p-aminoazobenzene in acetonitrile. A new electroactive polymer.", J. Electroanal. Chem., vol. 315, pp. 161, 1991.
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