@article{Norberg-2011-5006,
  author = {Norberg, U and Norberg, R},
  title = {Scaling of Wingbeat Frequency with Body Mass in Bats and Limits to Maximum Bat Size},
  journal = {Journal of Experimental Biology},
  year = {2011},
  month = {nov},
  publisher = {The Company of Biologists},
  volume = {215},
  pages = {711--722},
  doi = {10.1242/jeb.059865},
  url = {http://jeb.biologists.org/content/215/5/711},
  keywords = {Bats},
}