1990 · Maaike Op de Beeck, Nandasiri Samarakone, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 13
1991 · Nandasiri Samarakone, Veerle Van Driessche, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 6