@article{Goulko2017, author = "Olga Goulko and Adrian Kent", title = "{animation027 from The grasshopper problem}", year = "2017", month = "11", url = "https://rs.figshare.com/articles/media/animation027_from_The_grasshopper_problem/5576809", doi = "10.6084/m9.figshare.5576809.v1" }