Tianqi Liu

• Bei tie xue dao lun
• Cheng shi huan jing gui hua gui fan ji fang fa zhi nan
• Huan jing guan li
• Sui Tang mu zhi gai ti ming yi shu yan jiu
• Wo guo nong cun cai zheng fu pin zi jin tou ru yu yun xing ji zhi de you hua wen ti yan jiu