F. M. Helmy

Theoretical studies on the standard but misleading adsorption isotherm. I: True adsorption isotherm

M. A. El-Khalik, F. Shebl, F. M. Helmy, 1983 .

Theoretical studies on the standard but misleading adsorption isotherm III: Sorption of water vapour on partly hydrophobic and microporous silica gels

F. Shebl, F. M. Helmy, M. Abd-el-khalik, 1984 .

Tobermorite as the final product of β-C2S hydration

F. Shebl, F. M. Helmy, 1985 .

Conductance of tricalcium silicate in water

A. Summan, F. Shebl, F. M. Helmy, 1988 .

Investigation relating to the determination of calcium hydroxide by the Franke method

U. Ludwig, F. Shebl, F. M. Helmy, 1983 .

Theoretical studies on the standard but misleading adsorption isotherm II: Modification of the t method to determine the true monolayer capacity and the surface area

M. A. El-Khalik, F. Shebl, F. M. Helmy, 1984 .