Comprehensiveness of national bibliographic databases for social sciences and humanities: Findings from a European survey. - Sīle, Linda; Pölönen, Janne; Sivertsen, Gunnar; Guns, Raf; Engels, Tim C E; Arefiev, Pavel; Dušková, Marta; Faurbæk, Lotte; Holl, András; Kulczycki, Emanuel (Research Evaluation, 2018)