@article{6200,
      author = {Van Sertima, Ivan.},
      url = {http://library.usi.edu/record/6200},
      title = {They came before Columbus /},
      publisher = {Random House,},
      recid = {6200},
      pages = {xviii, 288 p., [16] leaves of plates :},
      address = {New York :},
      year = {1976},
}