Špakaitė, I. and Kostkevičienė, J. 2011. Diversity of cyanobacterium Nostoc and its conservancy in Lithuania. Mokslas – Lietuvos ateitis / Science – Future of Lithuania. 1, 4 (Apr. 2011), 21-25. DOI:https://doi.org/10.3846/mla.2009.4.04.