On the generalization of the Complex Step Method. - Rafael Abreu; Daniel Stich; José Morales (J. Comput. Appl. Math., 2013)

On the accuracy of the Complex-Step-Finite-Difference method. - Rafael Abreu; Zeming Su; Jochen Kamm; Jinghuai Gao (J. Comput. Appl. Math., 2018)

Cybersecurity in Connected and Autonomous Vehicles: A Systematic Review of Automotive Security. - Rafael Abreu; Frederico Branco; Manuel José Cabral dos Santos Reis; Carlos Serôdio (IEEE Access, 2025)