1.		A mathematical model for tourism potential assessment / LiboYan, Bo Wendy Gao and Meng Zhang Autor: Libo, Yan Coautor: ; Bo, Wendy Gao Meng, Zhang COTA(S): RE-1193
2.		Travel culture in Eastern Jin China (317-420 AD): the emergence of a travel culture of landscape appreciation; Libo Yan, Bob McKercher Autor: Libo, Yan Coautor: ; Mckercher, Bob COTA(S): RE-1253