FARKAS, Á.; OROSZ-KOVÁCS, Zs. Continuous and discontinuous nectar secretion in some pear cultivars. International Journal of Horticultural Science, [S. l.], v. 6, n. 3, p. 77–79., 2000. DOI: 10.31421/IJHS/6/3/106. Disponível em: https://ojs.lib.unideb.hu/IJHS/article/view/106.. Acesso em: 6 may. 2024.