@article{maeda_higashi_uchida_sato_yamaguchi_koido_takemura_2000, 
  title={Songs of humpback whales <i>Megaptera novaeangliae</i> in the Ryukyu and Bonin regions}, 
  volume={25}, 
  DOI={10.3106/mammalstudy.25.59}, 
  publisher={Mammalogical Society of Japan}, 
  author={Maeda and Higashi and Uchida and Sato and Yamaguchi and Koido and Takemura}, 
  year={2000}
  }