@InProceedings{Rowe-Brotherston:17-2, author = "Reuben N. S. Rowe and James Brotherston", title = "Realizability in Cyclic Proof: Extracting Ordering Information for Infinite Descent", booktitle = "Proceedings of {TABLEAUX-26}", series = "LNCS", volume = 10501, pages = "295--310", publisher = "Springer", year = 2017 }