Beer, G. Vertebrate zoology. London: 1955 XV, 453 p. : ill.
Beer, G. Vertebrate zoology. London: 1955 XV, 453 p. : ill.
Beer, G. (1955) Vertebrate zoology, London: XV, 453 p. : ill.
Beer, G. (1955). Vertebrate zoology. An introduction to the comparative anatomy, embryology and evolution of chordate animals. London: XV, 453 p. : ill.
Beer G. Vertebrate zoology: An introduction to the comparative anatomy, embryology and evolution of chordate animals. London: 1955. p. XV, 453 p. : ill.