@misc{indiciae981e92121838,
  title = {Insect flight takes off. 1951.},
  author = {August Krogh and Torkel Weis-Fogh},
  year = {2004},
  doi = {10.1242/jeb.01190},
  url = {https://pubmed.ncbi.nlm.nih.gov/15326201/},
  note = {Source identifier: 15326201}
}