An adaptive real-time ECG compression algorithm with variable threshold. - Borivoje Furht; Alex Pérez (IEEE Trans. Biomed. Eng., 1988)

A study of the human-system interface complexity sources in wastewater treatment plants. - Pere Ponsa; Alex Pérez; Javier Gamiz; Cristina Manresa-Yee; Ramón Vilanova (Interacción, 2012)