Seals, sea lions and walruses :

Scheffer, Victor B.

Seals, sea lions and walruses : a review of the Pinnipedia / Victor B. Scheffer. - Stanford, Calif. : Stanford University, 1958. - 179 p. ; 24 cm.

Incluye bibliografia.

0-8047-0544-5

QL737 / .P6 S24

Con tecnología Koha