[1]
Bernáth, J., Bakó, J. and Petheő, F. 1999. Improved evaluation method for reliable distinction of poppy (Papaver somniferum L.) cultivars. International Journal of Horticultural Science. 5, 1-2 (May 1999), 68–73. DOI:https://doi.org/10.31421/IJHS/5/1-2/27.