A Method of Interpreting Geochemical Results Obtained by a Six-Step Semiquantitative Spectrographic Procedure

Oda U. Myers A. T. , and Cooley E. F. , Anal. Chem. and Appl. Spectrosc. Conf., Pittsburgh, Program 46 (1958).

Grimes D. J. and Marranzino A. P. , U.S. Geol. Survey Circ. 591 (1968).

Miesch A. T. , Classnotes from the course “Statistical Methods for Field Geochemistry”: CPRM, Rio de Janeiro, Brazil (1973).

Ahrens L. H. and Taylor S. R. , Spectrochemical Analysis (Addison-Wesley, London, 1961), 2nd ed., Chap. 9.

Cohen A. C. Jr. , Technometrics 1, No. 3, 217 (1959).