@article{780086,
  author = {G Engen},
  title = {On-Line Accuracy Assessment for the Dual Six-Port ANA: Background and Theory},
  year = {1987},
  number = {IM-36},
  month = {1987-06-01 00:06:00},
  publisher = {IEEE Transactions on Instrumentation and Measurement},
  language = {en},
}