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.
Nicos Christofides, José M. P. Paixão. Algorithms for large scale set covering problems. Annals OR, 43(5):259-277, 1993. [doi]
Abstract is missing.