Pough, F. Harvey
Vertebrate life
Prentice-Hall, 1996
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Pough, F. Harvey
Vertebrate life
Prentice-Hall, 1999
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Orr, Robert T.
Vertebrate biology
Saunders, 1976
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Vertebrate biology: a laboratory manual
editors, Norman K. Wessells, Elizabeth M. Center
William Kaufmann, 1973
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Young, J.Z.
The life of vertebretes/ J.Z. Young
Oxford University Press , 1981
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