Roscoe, J., and G. Thoms. “Anti-Anti-Homophony: Towards a Syntactic Account of ‘phonological’ Wh-Cluster Restrictions in Bulgarian”. Journal of Slavic Linguistics, vol. 34, no. FASL issue, Sept. 2026, pp. 1-18, https://ojs.ung.si/index.php/JSL/article/view/505.