Morphology and ecology of marine mammals: seals, dolphins, porpoises.
New York: John Wiley and Sons, 1973. Octavo, photographs, very good copy in dustwrapper. More
New York: John Wiley and Sons, 1973. Octavo, photographs, very good copy in dustwrapper. More
London: Cassell, 1974. Octavo, colour photographs, very good copy in dustwrapper. More