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Sagan, Carl, 1934-

The dragons of Eden : speculations on the evolution of human intelligence / Carl Sagan. - 1st ed. - New York : Random House, c1977. - 263 p. : ill. ; 24 cm.

Includes index.

Bibliography: p. 241-249.

0394410459 :

76053472


Intellect.
Brain.
Genetic psychology.

BF431 / .S2

153