CHIRCA, E.; COLDEA, G. Contributions to knowledge the Capus superior catchment area vegetation. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, [S. l.], v. 3, n. 1, p. 101–110, 1967. DOI: 10.15835/nbha3121. Disponível em: https://www.notulaebotanicae.ro/index.php/nbha/article/view/21. Acesso em: 4 oct. 2022.