@book {4139, title = {Bl{\"u}ten-lockende Signale}, year = {1975}, pages = {143 pp}, publisher = {Otto Maier Verlag}, organization = {Otto Maier Verlag}, address = {Ravensburg}, keywords = {Madiza glabra, Milichiidae, pollination}, url = {http://milichiidae.info/sites/milichiidae.info/files/Bertsch_1975.pdf}, author = {Bertsch, A.} }