@article{weko_18328_1,
   author	 = "Maeda,Hidemasa and Higashi,Naoto and Uchida,Senzou and Sato,Fumihiko and Yamaguchi,Manami and Koido,Takashi and Takemura,Akira",
   title	 = "Songs of humpback whales Megaptera novaeangliae in the Ryukyu and Bonin regions.",
   journal	 = "Mammal Study",
   year 	 = "2000",
   volume	 = "25",
   number	 = "1",
   pages	 = "59--73"
}