@Article{ 
  amaandbis05,
  author = { Amar, Micol and Andreucci, Daniele and Bisegna, Paolo and Gianni, Roberto },
  title = { On a hierarchy of models for electrical conduction in biological tissues },
  journal = { Mathematical Methods in the Applied Sciences },
  year = { 2006 },
  volume = { 29 },
  pages = { 767-787 },
  URL = { http://cvgmt.sns.it/paper/1501/ },
  note = { cvgmt preprint}
}