Gracheva, Raisa, Elena Belonovskaya, and Vera Vingradova. “Mountain Grassland Ecosystems on Abandoned Agricultural Terraces (Russia, North Caucasus)”. Hacquetia 17, no. 1 (February 28, 2018). Accessed May 7, 2024. https://ojs.zrc-sazu.si/hacquetia/article/view/6717.