%% -*-BibTeX-*- @Article{GroetschelJuengerReinelt1991, author = "Martin Gr{\"o}tschel and Michael J{\"u}nger and Gerhard Reinelt", title = "Optimal Control of Plotting and Drilling Machines: {A} Case Study", journal = "Zeitschrift f{\"u}r Operations Research", volume = "35", number = "1", pages = "61--84", year = "1991", language = "English", }