1 刘云丰,模糊布尔代数,自然杂志,5卷3期,1981年.
2 刘云丰,Fuzzy集合论语Fuzzy逻辑理论的一种公里结构,模糊数学,1982年第3期.
3 刘云丰,智能数学—关于人类智能的一种数学,人工智能学报,1983年第1期.
4 Liu Yunfeng,Wang Shoudao and Wei Gongyi Longitudinal fuzzy number and its applications,Presented at IFAC Symposium on fuzzy information knowledge representation and decision,analysis,Marseille,July 19-21,1983.
5 Liu Yunfeng and Zhu Jianying ,Intelligence system and football game,presented at 1983 IEEE international conference on system,man and cybarnetics,Baombay and New Delil,December 30,1983-JANUARY 7,1984.
6 Zhu Jianying and Liu Yunfeng, Mathematical model for fuzzy control system,presented at Sino-U.S Symposium om fuzzy methodology and modern nanlysis with applications to electric power system ,Beijing, July 16-18,1984.
7 Liu Yunfeng and Zhu Jianying, Lattice-Valuedset theory and its applications to AI,presented at First IFSA Congress,Palma de Mallorca,July 1-6,1995.
8 Liu Zhon,Shi Guangya and Liu Yunfeng,Longitudinal fuzzy set and applications to organic chemistry, presented at Fuzzy Information Procession Conference, Hawaii,July,1984.
9 Liu Yunfeng and Chen Hong,Lattice Valued Logic, prcsoaesnted at 1986 international multi-valued logic conference,1986.
10 刘云丰,陈洪,生命系统与智能数学,北京轻工业学院学报,1985年第2期.
11 刘云丰,刘忠,史光亚,陈洪,智能数学：在有机化学上的应用,待发表.
12 刘云丰,陈洪,刘忠,史光压,智能数学—一种知识工程,待发表.
13 王德春,现代语言学研究,福建人民出版社.
14 赵世凯,现代语言学,知识出版社.
15 《语言和计算机》编辑组,语言和计算机,第1期及第2期,中国社会科学出版社.