Krzakowa, Maria, and Zbigniew Celka. “Intrapopulation Variation of Calamagrostis Arundinacea (L.) Roth Revealed by Electrophoretically Detected Ten Enzyme Systems”. Biodiversity: Research and Conservation, no. 5-8, Dec. 2007, pp. 5-9, doi:10.14746/biorc.2007.5-8.2.