CHIRCA, E., and G. COLDEA. ‚ÄúContributions to Knowledge the Capus Superior Catchment Area Vegetation‚ÄĚ. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 3, no. 1, Aug. 1967, pp. 101-10, doi:10.15835/nbha3121.