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.
Marek Chrobak, Howard J. Karloff. A lower bound on the size of universal sets for planar graphs. SIGACT News, 20(4):83-86, 1989. [doi]
Abstract is missing.