TY - SER AU - Sato,Fumihiko AU - Yamaguchi,Manami AU - Suganuma,Hiroyuki AU - Mori,Kyoichi ED - Symposium of the natural history Museum, 5 TI - Calving intervals of the Humpback Whale (Megaptera novaeangliae) off the Ogasawara islands, Japan SN - 09159444 ER -