Méndez, David I., et al. “Evaluating Authorship Variation Patterns in English-Medium Astrophysics Research Papers: An Across Journal and Diachronic Study (1998-2012)”. Revista Canaria de Estudios Ingleses, no. 69, Dec. 2014, pp. 51-63, https://www.ull.es/revistas/index.php/estudios-ingleses/article/view/3481.