@article{257545,
      author = {Asimov, Isaac,},
      url = {http://library.usi.edu/record/257545},
      title = {Foundation and earth /},
      publisher = {Doubleday,},
      recid = {257545},
      pages = {356 p. ;},
      address = {Garden City, N.Y. :},
      year = {1986},
}