[1]
J. Bernáth, J. Bakó, and F. Petheő, “Improved evaluation method for reliable distinction of poppy (Papaver somniferum L.) cultivars”, Int. j. hortic. sci., vol. 5, no. 1-2, pp. 68–73., May 1999, doi: 10.31421/IJHS/5/1-2/27.