"Echo-Orientierung." . . . . "Irland." . . "The bats of Britain and Ireland : echolocation calls, sound analysis and species identification" . . . . . . . . . . "The bats of Britain [and] Ireland : echolocation calls, sound analysis, and species identification" . . "Bestimmungsbuch" . "The bats of Britain & Ireland : echolocation calls, sound analysis, and species identification" . . . . . . . . "Fledermäuse." . . "Grossbritannien." . .