Development of a four-element conical electron lens dedicated to high resolution Auger electron–ion(s) coincidence experiments. - Le Guen, K.; Céolin, D.; Guillemin, R.; Miron, C.; Leclercq, N.; Bougeard, M.; Simon, M.; Morin, P.; Mocellin, A.; Burmeister, F.; Naves de Brito, A.; Sorensen, S. L. (Review of Scientific Instruments, 2002)