Aspects of the ecology of Daubenton’s bat (Myotis daubentoniid), the common pipistrelle (Pipistrellus pipistrellus), the soprano pipistrelle (P. pygmaeus) and their potential prey in relation to altitude
Turner, V.L.G. Ph.D. Thesis (Ecology & Acoustics) p. 250Department of Biology, University of Leeds, Leeds, UK (2002)