@techreport{AscheuerJuengerReinelt1997, author = {Norbert Ascheuer and Michael J{\"u}nger and Gerhard Reinelt}, title = {A Branch \& Cut Algorithm for the Asymmetric Traveling Salesman Problem with Precedence Constraints}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {SC-97-70}, language = {eng}, year = {1997} }