BARTONIČKA, Tomáš, Andrej BIELIK a Zdeněk ŘEHÁK. Roost switching and activity patterns in the soprano pipistrelle, Pipistrellus pygmaeus, during lactation.
Annales zoologici Fennici. Helsinki: Finnish Zoological and Botanical Publish, 2008, roč. 45, č. 6, s. 503–512. ISSN 0003-455X.