@article{70806,
      author = {Stewart, George R.,},
      url = {http://library.usi.edu/record/70806},
      title = {The California trail, an epic with many heroes.},
      publisher = {McGraw-Hill},
      recid = {70806},
      pages = {339 p.},
      address = {New York,},
      year = {1962},
}