BERNÁTH, J.; NÉMETH, É. New trends in selection of poppy (Papaver somniferum L.). International Journal of Horticultural Science, [S. l.], v. 5, n. 3-4, p. 69–75., 1999. DOI: 10.31421/IJHS/5/3-4/48. Disponível em: https://ojs.lib.unideb.hu/IJHS/article/view/48. Acesso em: 18 apr. 2021.