Májovský, J., A. Uhríková, and Z. Dúbravcová. “Karyotaxonomic Analysis of Supramontane Populations of Species of the Genus Astragalus in Slovakia”. Oecologia Montana, Vol. 5, no. 2, Dec. 1996, pp. 87-92, https://om.vuvb.uniza.sk/index.php/OM/article/view/75.