J. Arús and J. Lavid, “The grammar of relational processes in English and Spanish: implications for machine-aided translation and multilingual generation”., EIUC, no. 9, p. 61, Jan. 2001, Accessed: Dec. 06, 2025. Available: https://revistas.ucm.es/index.php/EIUC/article/view/EIUC0101110061A