@article{EstT00,
  author = {{Est{\'e}vez Schwarz}, D. and Tischendorf, C.},
  title = {Structural analysis of electric circuits and consequences for MNA},
  journal = {Internat. J. Circ. Theor. Appl.},
  year = {2000},
  volume = {28},
  pages = {131--162},
  number = {2},
  doi = {10.1002/(SICI)1097-007X(200003/04)28:2<131::AID-CTA100>3.0.CO;2-W},
  publisher = {John Wiley \& Sons, Ltd.}
}