JULA, F., D. PAZMANY, and E. CHIRCA. “Datas on the Association Lolio-Plantaginetum Beg. 30”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 4, no. 1, Aug. 1968, pp. 67-70, doi:10.15835/nbha4134.