[1]
P.F.M. van Gaans, J.M.C.M. Schreurs, S.P. Vriend and C. Maijer 1987. The petrogenesis of charnockitic and granitic migmatites of the high-grade metamorphic Precambrian of Rogaland/Vest-Agder, S. W. Norway - A statistical interpretation of major element rock chemistry. Netherlands Journal of Geosciences. (Jan. 1987), 177-190.