Fractional crystallization and liquid immiscibility processes in the alkaline-carbonatite complex of Juquia (São Paulo, Brazil) - Beccaluva, Luigi; Barbieri, Mario; Born, Helmut; Brotzu, Pietro; Coltorti, Massimo; Conte, Aida; Garbarino, Carlo; Gomes, Celso B.; Acciotta, M.; Morbidelli, Lucio; Ruberti, Excelso; Siena, Franca; et al. (Journal of Petrology, 1992)