Mercier, H., G. B. Kerbauy, M. T. V. Carvalho, and E. Derbyshire. “GROWTH AND GDH AND AAT ISOENZYME PATTERNS IN TERRESTRIAL AND EPIPHYTIC BROMELIADS AS INFLUENCED BY NITROGEN SOURCE”. Selbyana, vol. 18, no. 1, Jan. 1997, pp. 89-94, https://ojs.test.flvc.org/selbyana/article/view/120631.