SZABO, Attila T. 1987. “Microevolution in Trifolium L. Sect. Stenostoma M. B. I. Biometry of Spontaneous and Cultivated Trifolium Pannonicum Jacq.”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 17 (1), 47-75. https://doi.org/10.15835/nbha171238.