Reference
Marianne Haffner (1995): The possibilities of scent marking in the Mouse-earned bat Myotis myotis (Brockhausen, 1797) and the Noctule bat Nyctalus noctula (Schreber, 1774) (Mammalia, Chiroptera) – Mammalian Biology (früher Zeitschrift für Säugetierkunde) – 60: 112 - 118.