@article{ZecTST12,
  author = {Zecchin, A. and Thum, P. and Simpson, A. and Tischendorf, C.},
  title = {Steady-State Behavior of Large Water Distribution Systems: Algebraic
	Multigrid Method for the Fast Solution of the Linear Step},
  journal = {Journal of Water Resources Planning and Management},
  year = {2012},
  volume = {138},
  pages = {639-650},
  number = {6},
  doi = {10.1061/(ASCE)WR.1943-5452.0000226}
}