K. Krofta, J. Patzak, T. Sedlák, A. Mikyška, K. Štěrba, and M. Jurková, “Kazbek – The First Czech Aroma ‘Flavor Hops’ Variety: Characteristics and Utilization”, KP, vol. 65, no. 2, pp. 72–83, Apr. 2019.