An introduction to the multivariate statistical analysis of compositional data: applications to classification problems of clinopyroxenes from mafic and ultramafic rocks
A. Buccianti et O. Vaselli, An introduction to the multivariate statistical analysis of compositional data: applications to classification problems of clinopyroxenes from mafic and ultramafic rocks, Mineralogica et petrographica acta , 39, 1996, pp. 275-289