@article{7983,
      note = {Includes index.},
      author = {Sagan, Carl,},
      url = {http://library.usi.edu/record/7983},
      title = {The Dragons of Eden : speculations on the evolution of  human intelligence /},
      publisher = {Random House,},
      recid = {7983},
      pages = {263 p. :},
      address = {New York :},
      year = {1977},
}