Reference
Hermann Limpens, Kamiel Spoelstra, Ludy S.G.M. Verheggen (2005): Short note on the distribution and Status of Leisler's bat Nyctalus leisleri (Kuhl, 1817), in the Netherlands – Nyctalus – Internationale Fledermaus-Fachzeitschrift – NF_10: 311 - 314.