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.
Martha E. Williams. Relative impact of print and database products on database producer expenses and income--A follow-up. Inf. Process. Manage., 18(6):307-311, 1982. [doi]
Abstract is missing.