Paywall Article: "The Open Access Citation Premium May Depend on the Openness and Inclusiveness of the Indexing Database, but the Relationship Is Controversial Because It Is Ambiguous Where the Open Access Boundary Lies" https://doi.org/10.1007/s11192-019-03221-w Author: Charles W. Bailey, Jr. Charles W. Bailey, Jr. View all posts by Charles W. Bailey, Jr.