@article{20390,
      author = {Pabrai, Uday O., and Shah, Hemant T., and Pabrai, Uday O.},
      url = {http://tind.wipo.int/record/20390},
      title = {X Window System user's guide /},
      recid = {20390},
      pages = {xv, 236 pages :},
}