M.Groetschel, M.Juenger, G.Reinelt
1984,
Optimal Triangulation of Large Real World Input-Output Matrices,
Statistische Hefte, 25, 261--295

Reinelt, G.
1993
A Note on Small Linear Ordering Polytopes
Discrete & Computational Geometry, 10, 67--78
Reinelt, G.
1985,
The Linear Ordering Problem: Algorithms and Applications,
research and exposition in mathematics 8,
Heldermann Verlag, Berlin

Bolotashvili, G. and M. Kovalev and E. Girlich,
1996,
"New Facets of the Linear Ordering Polytope",
Tech.Report,University of Magdeburg, Germany.