Petrinjak, Alenka. “First Record of a Larger Hibernaculum of the Soprano Pipistrelles Pipistrellus Pygmaeus (Leach, 1825) in Slovenia”. Natura Sloveniae, vol. 13, no. 1, June 2011, pp. 61-62, https://doi.org/10.14720/ns.13.1.61-62.