P. W. van Amersfoort

van Amersfoort, P. W., Best, R. W. B., Faatz, B., van der Geer, C. A. J., Mastop, W. J., Meddens, B. J. H., … van der Wiel, M. J. (1989). Status of the Dutch Free-Electron Laser for Infrared Experiments. Nuclear Instruments & Methods in Physics Research Section A-Accelerators Spectrometers Detectors and Associated Equipment, 285, 67-70. https://doi.org/10.1016/0168-9002(89)90427-0 (Original work published 1989)

Oepts, D., van der Meer, A. F. G., Best, R. W. B., van Amersfoort, P. W., & Colson, W. B. (1989). Simulations of Mode Reduction with an Intracavity Etalon in an Rf-Linac Based Fel. Nuclear Instruments & Methods in Physics Research Section A-Accelerators Spectrometers Detectors and Associated Equipment, 285, 204-210. https://doi.org/10.1016/0168-9002(89)90451-8 (Original work published 1989)