@article{SABHJKKIOSSS17,
  author =       {Martin Schmidt and Denis A{\ss}mann and Robert Burlacu and Jesco Humpola and Imke
                  Joormann and Nikolaos Kanelakis and Thorsten Koch and Djamal Oucherif and Marc
                  E. Pfetsch and Lars Schewe and Robert Schwarz and Mathias Sirvent},
  title =        {{G}as{L}ib -- {A} {L}ibrary of {G}as {N}etwork {I}nstances},
  year =         {2017},
  journal =      {Data},
  volume =       {2},
  number =       {4},
  pages =        {article 40},
  doi =          {10.3390/data2040040}
}

@techreport{SABHJKKIOSSS17,
  author      = {Schmidt, Martin and Aßmann, Denis and Burlacu, Robert and Humpola, Jesco and Joormann, Imke and Kanelakis, Nikolaos and Koch, Thorsten and Oucherif, Djamal and Pfetsch, Marc E. and Schewe, Lars and Schwarz, Robert and Sirvent, Mathias},
  title       = {{GasLib}-A Library of Gas Network Instances},
  year        = {2017},
  month       = Nov,
  url         = {http://www.optimization-online.org/DB_HTML/2015/11/5216.html},
}