T. Kapirnyák, J. Koroknai, Z. Kováts†, and M. Fári, “Comparative research of the Wild Sage (Salvia nemorosa L.) population and selected clones flowering biology”, Acta agrar. Debr., no. 51, pp. 113–118, Feb. 2013, doi: 10.34101/actaagrar/51/2073.