Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Ellen Gethner, David G. Kirkpatrick, Nicholas Pippenger. Computational Aspects of M.C. Escher's Ribbon Patterns. Theory Comput. Syst., 54(4):640-658, 2014. [doi]
Abstract is missing.