SIMA, N. F.; SIMA, R. M.; CUNA, S.; CRISTEA, G.; MIHAI, V. Evaluation of the Use of Carbon Isotope Discrimination as a Selection Tool of Perennial Fodder Species for Temporary Pastures. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, v. 39, n. 2, p. 34-41, 21 Nov. 2011.