H. N. A. Priem, N. A. I. M. Boelrijk, E. H. Hebeda, S. B. Kroonenberg, E. A. T. Verdurmen, & R. H. Verschure. (1977). Isotopic ages in the high-grade metamorphic Coeroeni group, Southwestern. Netherlands Journal of Geosciences, 155-160. Retrieved from https://njgjournal.nl/index.php/njg/article/view/14312