Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TOLKER-NIELSEN Toni,"In orbit test result of an operational optical intersatellite link between ARTEMIS and SPOT4, SILEX",Proc. of Proceedings of the SPIE,,,2002,4635,,1-15,https://cir.nii.ac.jp/crid/1570572700263396224,