| Authors(s) | Ridgeway, S. H. and R. J. Harrison (eds). |
| Year | 1989 |
| Title | Handbook of Marine Mammals, Volume 4: River Dolphins and the Larger Toothed Whales. Academic Press, London. 442 pp. |
| Authors(s) | Ridgeway, S. H. and R. J. Harrison (eds). |
| Year | 1989 |
| Title | Handbook of Marine Mammals, Volume 4: River Dolphins and the Larger Toothed Whales. Academic Press, London. 442 pp. |