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.
Malachy Carey, Riccardo Revelli. Constrained Estimation of Direct Demand Functions and Trip Matrices. Transportation Science, 20(3):143-152, 1986. [doi]
Abstract is missing.