@misc{oai:nipr.repo.nii.ac.jp:00010681,
 author = {Adachi, Taiki and Costa, Daniel P. and Robinson, Patrick W. and Naito, Yasuhiko and Takahashi, Akinori},
 month = {Dec},
 title = {Searching prey in 3D environment: hierarchical foraging behaviour of northern elephant seals},
 year = {2014}
}