@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040628,
 author = {Akiyama, Yu and Matsuda, Yoshio and Sakurai, Natsuko and Sato, Katsufumi},
 issue = {1},
 journal = {Coastal marine science},
 month = {Jul},
 pages = {42--46},
 title = {Evaluation of wave drag on bottlenose dolphin Tursiops truncatus from swimming effort},
 volume = {38},
 year = {2015}
}