@Misc{ BouLanMra19, author = { Bourni, Theodora and Langford, Mathew and Mramor, Alexander }, title = { On the construction of closed nonconvex nonsoliton ancient mean curvature flows }, journal = { Int. Math. Res. Not. }, year = { 2019 }, pages = { }, URL = { http://cvgmt.sns.it/paper/6938/ }, note = { cvgmt preprint} }