Semenova, G.V., and V.G. Onipchenko. “Soil Seed Bank of an Alpine Lichen Heath in the Northwestern Caucasus: Species Richness”. Oecologia Montana 5, no. 2 (December 1, 1996): 83-86. Accessed April 26, 2024. https://om.vuvb.uniza.sk/index.php/OM/article/view/74.