Gravely B, Gupton T. Nanoparameters in Western Iberian Romance: Null-copulas in Galician and Asturian. isogloss [Internet]. 2022 Oct. 19 [cited 2025 Jul. 8];8(1):1-31. Available from: https://revistes.uab.cat/isogloss/article/view/v8-n1-gravely-gupton