The life of vertebrates /
Young, J. Z.
The life of vertebrates / by J.Z. Young. - 2nd ed. - New York : Oxford University Press, 1962. - xv, 820 p. : ill.
Vertebrates.
Evolution.
Paleontology.
The life of vertebrates / by J.Z. Young. - 2nd ed. - New York : Oxford University Press, 1962. - xv, 820 p. : ill.
Vertebrates.
Evolution.
Paleontology.