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.
Cees Duin, Ton Volgenant. The multi-weighted Steiner tree problem. Annals OR, 33(6):451-469, 1991. [doi]
Abstract is missing.