Article Xu, Fengxian; He, Nu (2011)
A New Explanation on the Origination of the Idea of 1 cun for 1000 li for the Variation Rate of the Sun's Shadow. Ziran Kexueshi Yanjiu (Studies in the History of Natural Sciences) (pp. 151-169). (/isis/citation/CBB001210025/) unapi

Article Xu, Yibao; Xu, Fengxian (2010)
Chen Meidong: (1942--2008). Historia Mathematica (p. 565). (/isis/citation/CBB001022151/) unapi

Article Luo, Guihuan; Xu, Fengxian (2007)
Successful Cooperation during the Scientific Expedition between China and Sweden during the Last Century: The Sino-Swedish Scientific Expedition to the North-Western Provinces of China (1927--1933). Ziran Kexueshi Yanjiu (Studies in the History of Natural Sciences) (pp. 1-12). (/isis/citation/CBB000933500/) unapi

Article Xu, Fengxian (2007)
K. S. Hao's Plant Collection in the Sino-Swedish Scientific Expedition to the North-Western Provinces of China and Further Research. Ziran Kexueshi Yanjiu (Studies in the History of Natural Sciences) (pp. 23-30). (/isis/citation/CBB000933502/) unapi

Article Xu, Fengxian (2004)
The Cyclic Sacrificial System of King Diyi, His Reigning Years and the Beginning of the Year Towards the End of Shang. Ziran Kexueshi Yanjiu (Studies in the History of Natural Sciences) (p. 189). (/isis/citation/CBB000502058/) unapi