NYARADY, Antal, and Denes PAZMANY. “Materials for the Vegetative Identification of Segetal Weeds Sprouted from Subterranean Organs”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 5, no. 1 (August 5, 1970): 75–84. Accessed August 18, 2022. https://www.notulaebotanicae.ro/index.php/nbha/article/view/44.