Hassan, S. A., E. S. Elzanfaly, M. Y. Salem, and B. A. El-Zeany,
"Mean centring of double divisor ratio spectra, a novel pectrophotometric method for analysis of ternary mixtures ",
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 153, pp. 132–142, 2015.
Hassan, S. A., E. S. Elzanfaly, M. Y. Salem, and B. A. El-Zeany,
"Mean centering of double divisor ratio spectra, a novel spectrophotometric method for analysis of ternary mixtures",
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , vol. 153, pp. 132-142, 2016.