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.
J. Scott Provan, Louis J. Billera. Leontief Substitution Systems and Matroid Complexes. Math. Oper. Res., 7(1):81-87, 1982. [doi]
Abstract is missing.