ROMAN, A., and Teodora MARCU. “Investigations on the Function of Primary Roots in the Mineral Uptake”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 3, no. 1 (August 5, 1967): 117-122. Accessed February 22, 2020. https://notulaebotanicae.ro/index.php/nbha/article/view/95.