N. Somogyi, L. Szabó, and I. Dávid, “Occurrence of woolly cupgrass (Eriochloa villosa /Thunb./ Kunth) in Hajdú-Bihar county, Hungary”, Acta agrar. Debr., no. 43, pp. 119–123, Oct. 2011, doi: 10.34101/actaagrar/43/2650.