Gravena, Waleska; Farias, Izeni P.; Silva, Maria N. F. da; Silva, Vera M. F. da; Hrbek, Tomas (2014-06-01). "Looking to the past and the future: were the Madeira River rapids a geographical barrier to the boto (Cetacea: Iniidae)?". Conservation Genetics. 15 (3): 619–629. doi:10.1007/s10592-014-0565-4. ISSN1566-0621. S2CID14569447.
Gravena, Waleska; Farias, Izeni P.; Silva, Maria N. F. da; Silva, Vera M. F. da; Hrbek, Tomas (2014-06-01). "Looking to the past and the future: were the Madeira River rapids a geographical barrier to the boto (Cetacea: Iniidae)?". Conservation Genetics. 15 (3): 619–629. doi:10.1007/s10592-014-0565-4. ISSN1566-0621. S2CID14569447.
Gravena, Waleska; Farias, Izeni P.; Silva, Maria N. F. da; Silva, Vera M. F. da; Hrbek, Tomas (2014-06-01). "Looking to the past and the future: were the Madeira River rapids a geographical barrier to the boto (Cetacea: Iniidae)?". Conservation Genetics. 15 (3): 619–629. doi:10.1007/s10592-014-0565-4. ISSN1566-0621. S2CID14569447.