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Fermat’s Principle of Least Time Predicts Refraction of Ant Trails at Substrate Borders
- Jan Oettler,
- Volker S. Schmid,
- Niko Zankl,
- Olivier Rey,
- Andreas Dress,
- Jürgen Heinze
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- Published: March 20, 2013
- https://doi.org/10.1371/journal.pone.0059739