@article{179390,
      recid = {179390},
      title = {15-year plan for X-ray astronomy, 1994-2008    report of  the X-ray Astronomy Program Working Group. [microform] :},
      publisher = {High Energy Astrophysics Branch, Astrophysics Division,  Office of Space Science, National Aeronautics and Space                Administration,},
      address = {Washington, D.C. :},
      pages = {89 p. :},
      year = {1994},
      url = {http://library.usi.edu/record/179390},
}