@incollection{PadbergGroetschel1985, author = {Manfred Padberg and Martin Gr{\"o}tschel}, title = {Polyhedral computations}, booktitle = {The Traveling Salesman Problem. A Guided Tour of Combinatorial Optimization}, editor = {Eugene Lawler and Jan Lenstra and Alexander Kan and David Shmoys}, pages = {307 -- 360}, year = {1985}, }