@article{18406,
      recid = {18406},
      author = {Hart, Clive.},
      title = {The dream of flight; aeronautics from classical times to  the Renaissance.},
      publisher = {Winchester Press},
      address = {New York,},
      pages = {200 p.},
      year = {1972},
      url = {http://library.usi.edu/record/18406},
}