"我校科研人员助力"雪龙"号南极成功脱困" [University researchers help "Snow Dragon" successfully turning around the Antarctic]. gdbnu.com. Beijing Normal University. 2014-01-09. Archived from the original on 2016-08-25. Retrieved 2016-06-13.
Åström, J. A.; Vallot, D.; Schäfer, M.; Welty, E. Z.; O’Neel, S.; Bartholomaus, T. C.; Liu, Yan; Riikilä, T. I.; Zwinger, T. (2014-12-01). "Termini of calving glaciers as self-organized critical systems". Nature Geoscience. 7 (12): 874–878. Bibcode:2014NatGe...7..874A. doi:10.1038/ngeo2290. ISSN1752-0894.
Liu, Yan; Cheng, Xiao; Hui, FengMing; Wang, XianWei; Wang, Fang; Cheng, Cheng (2014-02-20). "Detection of crevasses over polar ice shelves using Satellite Laser Altimeter". Science China Earth Sciences. 57 (6): 1267–1277. doi:10.1007/s11430-013-4796-x. ISSN1674-7313. S2CID129921101.
"北京师范大学全球变化与地球系统科学研究院" [Liu Yan Faculty Profile]. gcess.cn. Beijing Normal University. 2013-10-29. Archived from the original on 2016-08-25. Retrieved 2016-06-13.
gdbnu.com
"我校科研人员助力"雪龙"号南极成功脱困" [University researchers help "Snow Dragon" successfully turning around the Antarctic]. gdbnu.com. Beijing Normal University. 2014-01-09. Archived from the original on 2016-08-25. Retrieved 2016-06-13.
Åström, J. A.; Vallot, D.; Schäfer, M.; Welty, E. Z.; O’Neel, S.; Bartholomaus, T. C.; Liu, Yan; Riikilä, T. I.; Zwinger, T. (2014-12-01). "Termini of calving glaciers as self-organized critical systems". Nature Geoscience. 7 (12): 874–878. Bibcode:2014NatGe...7..874A. doi:10.1038/ngeo2290. ISSN1752-0894.
"北京师范大学全球变化与地球系统科学研究院" [Liu Yan Faculty Profile]. gcess.cn. Beijing Normal University. 2013-10-29. Archived from the original on 2016-08-25. Retrieved 2016-06-13.
"世界首张全南极洲地表覆盖图来到南极 - 新华科技 - 新华网" [The world's first full-coverage map of Antarctica to the South Pole Surface]. news.xinhuanet.com. Xinhua News. 2012-12-01. Archived from the original on May 15, 2013. Retrieved 2016-06-13.
Åström, J. A.; Vallot, D.; Schäfer, M.; Welty, E. Z.; O’Neel, S.; Bartholomaus, T. C.; Liu, Yan; Riikilä, T. I.; Zwinger, T. (2014-12-01). "Termini of calving glaciers as self-organized critical systems". Nature Geoscience. 7 (12): 874–878. Bibcode:2014NatGe...7..874A. doi:10.1038/ngeo2290. ISSN1752-0894.
Liu, Yan; Cheng, Xiao; Hui, FengMing; Wang, XianWei; Wang, Fang; Cheng, Cheng (2014-02-20). "Detection of crevasses over polar ice shelves using Satellite Laser Altimeter". Science China Earth Sciences. 57 (6): 1267–1277. doi:10.1007/s11430-013-4796-x. ISSN1674-7313. S2CID129921101.
"世界首张全南极洲地表覆盖图来到南极 - 新华科技 - 新华网" [The world's first full-coverage map of Antarctica to the South Pole Surface]. news.xinhuanet.com. Xinhua News. 2012-12-01. Archived from the original on May 15, 2013. Retrieved 2016-06-13.