10 Survey Results: Executive Summary
21 Jahn and Tullney, “A Study of Institutional Spending on Open Access Publication Fees in Germany,”
3, https://doi.org/10.7717/peerj.2323; David J. Solomon and Bo-Christer Björk, “Article Processing
Charges for Open Access Publication—The Situation for Research Intensive Universities in the USA
and Canada,” 5, https://doi.org/10.7717/peerj.2264.