@article{753493,
      author = {Ockendon, Hilary, and Ockendon, J. R.,},
      url = {http://library.usi.edu/record/753493},
      title = {Waves and compressible flow [electronic resource] /},
      recid = {753493},
      pages = {1 online resource (vii, 243 pages) :},
}