Peltz, Sergiu
Chemical classification and nomenclature of volcanics from the south-west of the Harghita Mountains - Bucaresti Institutul de Geologie si Geofizica 1982 - pp. 47-62
ANDESITAS
CLASIFICACION
ROCAS VOLCANICAS
Chemical classification and nomenclature of volcanics from the south-west of the Harghita Mountains - Bucaresti Institutul de Geologie si Geofizica 1982 - pp. 47-62
ANDESITAS
CLASIFICACION
ROCAS VOLCANICAS