Smith, Brian D.; Braulik, Gill; Jefferson, Thomas A.; Bui, Dinh Chung; Chu, Tien Vinh; Doan, Van Du; Bach, Van Hanh; Pham, Dinh Trong; Dao, Tan Ho; Vo, Van Quang
(2003)
During 17-26 October 1999, we searched for cetaceans along 665 km of trackline in coastal
and offshore waters of the Gulf of Tonkin. We had five cetacean sightings: two of Indo-Pacific humpbacked
dolphins Sousa chinensis, ...