- Project EMPIR 19NRM02 – revision and extension of standards for test methods for LED lamps, luminaires and modules (https://www.ptb.de/empir2020/revstdled/project/overview/). Coordinator: Dr. Armin Sperling of the Physikalisch-Technische Bundesanstalt, Alemanha. Ongoing (to be concluded in 2023), Member: J. Alves e Sousa