Lin, Jing, Fred Weerman, and Hedde Zeijlstra. “Acquisition As a Window on the Nature of NPIs”. Proceedings of Sinn und Bedeutung 20 (May 12, 2019): 462–479. Accessed April 27, 2024. https://ojs.ub.uni-konstanz.de/sub/index.php/sub/article/view/275.