Temporal and spatial patterns of repeated migratory journeys by ospreys

@article{Alerstam2006TemporalAS,
  title={Temporal and spatial patterns of repeated migratory journeys by ospreys},
  author={Thomas Alerstam and Mikael Hake and Nils Kjell{\'e}n},
  journal={Animal Behaviour},
  year={2006},
  volume={71},
  pages={555-566}
}
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