@Misc{ 
  BraWir15a,
  author = { Brancolini, Alessio and Wirth, Benedikt },
  title = { Optimal micropatterns in transport networks },
  journal = { SIAM J. Math. Anal. },
  year = { 2017 },
  volume = { 49 },
  number = { 1 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2849/ },
  note = { cvgmt preprint}
}