Inotai, K., É. Németh, I. Pintér, K. Jager, and Sz. Sárosi. 2008. “Evaluation of Some Achillea L. Accessions Based on Morphological, Cytological and Chemical Characteristics”. International Journal of Horticultural Science 14 (4): 69-74. https://doi.org/10.31421/IJHS/14/4/1537.