@book{Gustrau2012,
  author    = {Gustrau, Frank},
  title     = {RF and microwave engineering},
  publisher = {Wiley},
  address   = {Chichester},
  isbn      = {978-1-11-995171-1},
  pages     = {XX, 338},
  year      = {2012},
  language  = {en}
}