@techreport{LuceDuintjerTebbensLiesenetal.2009, author = {Robert Luce and Jurjen Duintjer Tebbens and J{\"o}rg Liesen and Robert Nabben and Martin Gr{\"o}tschel and Thorsten Koch and Olaf Schenk}, title = {On the Factorization of Simplex Basis Matrices}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {09-24}, language = {eng}, year = {2009} }