@article{FANO1950139,
title = {Theoretical limitations on the broadband matching of arbitrary impedances},
journal = {Journal of the Franklin Institute},
volume = {249},
number = {2},
pages = {139-154},
year = {1950},
issn = {0016-0032},
doi = {https://doi.org/10.1016/S0016-0032(50)91101-X},
url = {https://www.sciencedirect.com/science/article/pii/S001600325091101X},
author = {R.M Fano}
}


@book{bode1945network,
  author    = {Hendrik W.\ Bode},
  title     = {Network Analysis and Feedback Amplifier Design},
  publisher = {D.\ Van Nostrand Company, Inc.},
  year      = {1945},
  address   = {New York},
  edition   = {1st},
  isbn      = {0882752421},
  note      = {Classic text on feedback networks and Bode plots},
}
