@article{heinrich1983heterothermia,
  title={Heterothermia in foraging workers and drones of the bumblebee Bombus terricola},
  author={Bernd Heinrich and Margaret (Maggie) Eppstein},
  journal={Physiological Zoology},
  volume={56},
  number={4},
  pages={563-567},
  journalpage={http://www.jstor.org/stable/30155879},
  year={1983},
  citations={}
}