@article{Kay2016, author = "Alastair Kay", title = "{Perfect Revivals on Spin Chains}", year = "2016", month = "10", url = "https://royalholloway.figshare.com/articles/software/Perfect_Revivals_on_Spin_Chains/4110033", doi = "10.6084/m9.figshare.4110033.v1" }