@MastersThesis{	  Segiet:2018,
  author	= {Lukasz Segiet},
  title		= {{Hierarchical reduction in modeling of gas transport networks}},
  type		= {Masterarbeit},
  annote	= {GMaster},
  year		= {2018},
  school	= {Institut f\"ur Numerische Simulation, Universit\"at Bonn}		  
}