Atanassova, I., M. Harizanova, E. Atanasova, and M. Teoharov. “Lipid Biomarkers in a Gleyic Luvisol”. Bulgarian Journal of Soil Science, Agrochemistry and Ecology 45, no. Supplement 1-4 (October 30, 2011): 9–13. Accessed October 8, 2026. https://agriacad.eu/ojs/index.php/bjssae/article/view/4077.