An accurate closed-form approximate solution for the quintic Duffing oscillator equation. - Augusto Beléndez; Guillermo Bernabeu; Jorge Francés; David I. Méndez; Stephan Marini (Math. Comput. Model., 2010)

Titles in English-medium Astrophysics research articles. - David I. Méndez; María Ángeles Alcaraz Ariza; Françoise Salager-Meyer (Scientometrics, 2014)

Simultaneous and comparable numerical indicators of international, national and local collaboration practices in English-medium astrophysics research papers. - David I. Méndez; María Ángeles Alcaraz Ariza (Inf. Res., 2016)

Erratum to: Titles in English-medium Astrophysics research articles. - David I. Méndez; María Ángeles Alcaraz Ariza; Françoise Salager-Meyer (Scientometrics, 2016)

Titles of Scientific Letters in Astrophysics (2000- 2015): A Diachronic Study of Type Distribution and the Relationship Between Title Length and Collaboration Issues. - David Israel Méndez; María Ángeles Alcaraz Ariza (J. Sci. Res., 2018)