@techreport{WaltherHillerSaitenmacher2017, author = {Tom Walther and Benjamin Hiller and Ren{\´e} Saitenmacher}, title = {Polyhedral 3D Models for compressors in gas networks}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {17-66}, language = {eng}, year = {2017} }