Viršček Marn, Mojca, Irena Mavrič Pleško, and Barbara Gerič Stare. 2013. “Secondary Structures of Potato Spindle Tuber Viroid Variants Detected in Slovenia”. Acta Biologica Slovenica 56 (1): 85-90. https://doi.org/10.14720/abs.56.1.15552.