%% -*-BibTeX-*- @Article{GroetschelJuengerReinelt1984b, author = "Martin Gr{\"o}tschel and Michael J{\"u}nger and Gerhard Reinelt", title = "Optimal triangulation of large real world input-output matrices", journal = "Statistische Hefte", volume = "25", pages = "261--295", year = "1984", language = "English", }