@article{407172,
      author = {Andrews, David.},
      url = {http://library.usi.edu/record/407172},
      title = {Lumped element quadrature hybrids [electronic resource] /},
      publisher = {Artech House,},
      recid = {407172},
      pages = {xi, 222 p. :},
      address = {Boston :},
      year = {2006},
}