@article{300518,
      recid = {300518},
      author = {Sherrick, John D.},
      title = {Concepts in systems and signals /},
      publisher = {Prentice Hall,},
      address = {Upper Saddle River, N.J. :},
      pages = {ix, 374 p. :},
      year = {2001},
      url = {http://library.usi.edu/record/300518},
}