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.
Paul D. Humke. A Note on Connected Coverings of the Plane. Math. Log. Q., 24(25-30):453-456, 1978. [doi]