TY - BOOK AU - Ridgway, Sam H., AU - Harrison,Richard J. TI - Handbook of marine mammals SN - 0125885016 AV - QL713.2 R52 PY - 1981///-9999 CY - London PB - Academic KW - Mamíferos marinos KW - Manuales, etc N1 - Contenido: 1. The walrus, sea lions, fur seals, and sea otter -- v. 2. Seals -- v. 3. The sirenians and baleen whales -- v. 4. River dolphins and the larger toothed whales -- v.5. The first book of dolphins -- v. 6. The second book of dolphins and the porpoises ER -