1. P. Bales, Hierarchische Modellierung der Eulerschen Flussgleichungen in der Gasdynamik, Diploma thesis, Technische Universität Darma stadt, Department of Mathematics, Darmstadt (2005).
2. Coupling conditions for gas networks governed by the isothermal euler equations;Banda;NHM,2006
3. Mixed integer models for the stationary case of gas network optimization;Martin;Mathematical Programming,2006
4. S. Moritz, A mixed integer approach for the transient case of gas network optimization, Ph.D. thesis, TU Darmstadt (2006).
5. P. Bales, B. Geißler, O. Kolb, J. Lang, A. Martin, A. Morsi, Combination of nonlinear and linear optimization of transient gas networks, Tech. Rep. 2552, TU Darmstadt (2008).