. "Li Chen" . . . . . . "Yong-Hui Hou" . "15" . . . . . "6" . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0442\u0440\u0430\u0432\u043D\u0456 2015"@uk . . . . . "2015-05-27T00:00:00Z"^^ . . . . . "Fixing the reference frame for PPMXL proper motions using extragalactic sources"@en . . "im Mai 2015 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . "Xiao-Wei Liu" . . "arxiv-1409.2890" . . . "Fixing the reference frame for PPMXL proper motions using extragalactic sources"@nl . . "Zheng Zheng" . "Fixing the reference frame for PPMXL proper motions using extragalactic sources"@en . . . . . "Kathleen Grabowski" . . "Hao-Tong Zhang" . "1409.2890" . . "Fixing the reference frame for PPMXL proper motions using extragalactic sources"@nl . "wetenschappelijk artikel"@nl . . . . "Fixing the reference frame for PPMXL proper motions using extragalactic sources"@en . . "10.1088/1674-4527/15/6/007" . . "849-859" . "Fixing the reference frame for PPMXL proper motions using extragalactic sources"@en . . . . . . "Jin-Liang Hou" . . . "Carl J. Grillmair" . "Fixing the reference frame for PPMXL proper motions using extragalactic sources"@nl . . . .