Distribution of elements in some basic granulite-facies rocks. With special reference to coexisting minerals in a garnet-bearing metagabbro and a clinopyroxene-garnet-amphibole gneiss from the Mellid area, Galicia, NW Spain. - Hubregtse, J. J. M. W. (Verhandelingen der Koninklijke Nederlandse Akademie van Wetenschappen, Afd. Natuurkunde., 1973)