Insights into the evolution of an alkaline magmatic system an in situ trace element study of clinopyroxenes from the Ditrău Alkaline Massif, Romania - Batki Anikó; Pál-Molnár Elemér; Jankovics M. Éva; Kerr Andrew C.; Kiss Balázs; Markl Gregor; Heincz Adrián László; Harangi Szabolcs (2018)