@article{313004,
      author = {Wright, Kenneth R. and McEwan, Gordon Francis. and Wright,  Ruth M.},
      url = {http://library.usi.edu/record/313004},
      title = {Tipon : water engineering masterpiece of the Inca empire  /},
      publisher = {American Society of Civil Engineers,},
      recid = {313004},
      pages = {ix, 155, 8 p. :},
      address = {Reston, Va. :},
      year = {2006},
}