%% -*-BibTeX-*- @InProceedings{GroetschelMartinWeismantel1993, author = "Martin Gr{\"o}tschel and Alexander Martin and Robert Weismantel", editor = "Giovanni Rinaldi and Laurence A. Wolsey", booktitle = "Integer Programming and Combinatorial Optimization. Proceedings of a Conference held at Centro Ettore Majorana, Erice, Italy, April 29 - May 1, 1993", title = "Routing in grid graphs by cutting planes", publisher = "Librarian CORE", address = "Louvain-la-Neuve", pages = "447--461", year = "1993", classmath = "*90B06 90C35", language = "English", }