1. G.R. Lachance and R.J. Traill, “A Practical Solution to the Matrix Problem in X-Ray Analysis”, Can. Spectry, 11: 43–48 (1966).
2. F. Claisse and M. Quintin, “Generalization of the Lachance-Traill Method for the Correction of the Matrix Effect in X-Ray Fluores-cence Analysis”, Can. Spectry 12: 129–134 (1967).
3. R. Tertian, “An Accurate Coefficient Method for X-Ray Fluorescence Analysis”, in “Advances in X-Ray Analysis”:85–109 (1976).
4. G.R. Lachance, “Fundamental Coefficients for X-Ray Spectrochemical Analysis0”, Can. Spectry 15: 64–71 (1970).