1 "The study of 3-D Geographical Modeling for flight simulation" Chung- ang university. 1997
2 "Human Factors in Engineering and Design" McGraw-Hill Inc. 1993
3 "Explanation & guideline for structual facility of road" Gimundang. 2000
4 "Engineering of Road" Gumiseokwan. 1998
5 "Approaches to the successful design and implementation of VR applications" 12 : 91 78-911 83, 1994
6 "Advanced Engineering of Road" Chungmungak. 1997
1 "The study of 3-D Geographical Modeling for flight simulation" Chung- ang university. 1997
2 "Human Factors in Engineering and Design" McGraw-Hill Inc. 1993
3 "Explanation & guideline for structual facility of road" Gimundang. 2000
4 "Engineering of Road" Gumiseokwan. 1998
5 "Approaches to the successful design and implementation of VR applications" 12 : 91 78-911 83, 1994
6 "Advanced Engineering of Road" Chungmungak. 1997