Ludányi, I. “Overwintering Capability and Spring Population Size of Honeybee Colonies (Apis Mellifera L.) in Hungary”. International Journal of Horticultural Science 6, no. 3 (June 6, 2000): 153–156. Accessed August 17, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/134.