Gunnar Sivertsen, Raf Guns, Emanuel Kulczycki, Janne Pölönen. The use of Gold Open Access in four European countries: An analysis at the level of articles. In Giuseppe Catalano, Cinzia Daraio, Martina Gregori, Henk F. Moed, Giancarlo Ruocco, editors, Proceedings of ISSI 2019 Rome: 17th International Society of Scientometrics and Informetrics Conference, Rome, Italy, 2-5 September, 2019, Rome, Italy, September 2-5, 2019. pages 1600-1605, Edizioni Efesto, 2019.
Abstract is missing.