@book{ BA07555834,
  author    = "Mittra, Raj",
  title     = "Computer techniques for electromagnetics",
  publisher = "Pergamon Press",
  year      = "1973",
  series    = "International series of monographs in electrical engineering",
  number    = "v. 7",
  URL       = "http://ci.nii.ac.jp/ncid/BA07555834"
}