1. MSc. thesis;Ahn,1996
2. Environmental Microbiology;Ahn,1993
3. Biology of Microorganisms;Brock,1991
4. Effect of cultivation condition on growth of the hydrogen sulphide-degrading Thiobacillus sp.IW isolated from waste coal mine water;Cha;Korean Journal of Biotechnology and Bioengineering,1994
5. The Engineering of Odour Control;Chang,1993