@article{1387228,
      author = {Moulton, Harold Glenn,},
      url = {http://library.usi.edu/record/1387228},
      title = {The American transportation problem,},
      publisher = {The Brookings institution,},
      recid = {1387228},
      pages = {lxix, 915 pages},
      address = {Washington, D.C.},
      year = {1933},
}