Marine mammals of California /
Orr, Robert Thomas, 1908-.
Marine mammals of California / Robert T. Orr ; drawings by Jacqueline Schonewald ; photographs by the author unless otherwise specified. - 1972. - 64 p. : il. (algunas col.) ; 20 cm. - California natural history guides ; 29. .
Incluye bibliografia.
0-520-02077-4
QL719 / .C2 O77
Marine mammals of California / Robert T. Orr ; drawings by Jacqueline Schonewald ; photographs by the author unless otherwise specified. - 1972. - 64 p. : il. (algunas col.) ; 20 cm. - California natural history guides ; 29. .
Incluye bibliografia.
0-520-02077-4
QL719 / .C2 O77
