@article{453861,
      author = {Henle, Michael.},
      url = {http://library.usi.edu/record/453861},
      title = {Which numbers are real? /},
      publisher = {Mathematical Association of America ;},
      recid = {453861},
      pages = {x, 219 p.  :},
      address = {Washington, D.C. :},
      year = {2012},
}