@article{140598,
      note = {Companion volume to the PBS television series of the same  title.},
      author = {Dor-Ner, Zvi. and Scheller, William G.},
      url = {http://library.usi.edu/record/140598},
      title = {Columbus and the age of discovery /},
      publisher = {W. Morrow,},
      recid = {140598},
      pages = {xi, 370 p. :},
      address = {New York :},
      year = {1991},
}