1 유우식, "이미지 분석법을 활용한 형상정보의 비교와 객관적 검증결과의 도출사례: 한국은행 본관 정초석 ‘이토 히로부미 글씨’의 검증" 한국문화재보존과학회 36 (36): 511-518, 2020
2 Joong Ang Daily, "[Then Today] First International Student Yu Kil-Chun’s Seoyugyeonmun"
3 National Archives of Korea, "Yu Kil-Chun’s Seoyugyeonmun"
4 Korea University, "Yu Kil-Chun’s 100th Anniversary Special Exhibition “Yu Kil-Chun, Awakening the People by Listening to the World”"
5 Woodward, A., "Why Do Book Pages Turn Yellow Over Time?"
6 Joong Ang Daily, "The compilation plan of Yu Kil-Chun’s book"
7 Library of Congress, "The Deterioration and Preservation of Paper: Some Essential Facts"
8 Ryu, S., "Study on Readability Improvement of Damaged Wooden Tablets using Image Processing Software" 301-302, 2020
9 Yonsei University Library, "Seoyugyeonmun/Yu Kil-Chun"
10 Cultural Heritage Administration, "Seoyugyeonmun Communication with ‘Modern’ by translating ‘Western’"
1 유우식, "이미지 분석법을 활용한 형상정보의 비교와 객관적 검증결과의 도출사례: 한국은행 본관 정초석 ‘이토 히로부미 글씨’의 검증" 한국문화재보존과학회 36 (36): 511-518, 2020
2 Joong Ang Daily, "[Then Today] First International Student Yu Kil-Chun’s Seoyugyeonmun"
3 National Archives of Korea, "Yu Kil-Chun’s Seoyugyeonmun"
4 Korea University, "Yu Kil-Chun’s 100th Anniversary Special Exhibition “Yu Kil-Chun, Awakening the People by Listening to the World”"
5 Woodward, A., "Why Do Book Pages Turn Yellow Over Time?"
6 Joong Ang Daily, "The compilation plan of Yu Kil-Chun’s book"
7 Library of Congress, "The Deterioration and Preservation of Paper: Some Essential Facts"
8 Ryu, S., "Study on Readability Improvement of Damaged Wooden Tablets using Image Processing Software" 301-302, 2020
9 Yonsei University Library, "Seoyugyeonmun/Yu Kil-Chun"
10 Cultural Heritage Administration, "Seoyugyeonmun Communication with ‘Modern’ by translating ‘Western’"
11 Adan Mun’go, "Seoyugyenmun (西遊見聞)"
12 Seery, M., "Saving Paper, Education in Chemistry"
13 Yoo, Y., "Quantification and description of colors and brightness of photographic images using image analysis software" 303-305, 2020
14 National Diet Library Japan, "Precautions regarding copyright"
15 Seery, M., "Paper Conservation"
16 Wikipedia, "PDF"
17 Yoon, D.H., "Material of government official documents" 10 : 92-105, 1997
18 Korea University, "Kudang Yu Kil-Chun’s 100th Anniversary Special Exhibition “Yu Kil-Chun, Awakening the People by Entering the World”"
19 Kim, G., "Image-based quantitative analysis of foxing stains on old printed paper documents" 2 : 2665-2677, 2019
20 Yoo, W. S., "Image-based dimension analysis for semiconductor and MEMS structures" 2019
21 Yoo, W. S., "Image processing software assisted quantitative analysis of various digital images in process monitoring, process control and material characterization" 2017
22 National Park Service, "How To Preserve Acidic Wood Pulp Paper, Conserve O Rgan"
23 National Assembly Library Korea, "Frequently Asked Questions"
24 유영식, "Digital Image Comparisons for Investigating Aging Effects and Artificial Modifications Using Image Analysis Software" 한국문화재보존과학회 37 (37): 1-12, 2021
25 Yoo, W. S., "Development of tablet PC-based portable device for colorimetric determination of assays including COVID-19 and other pathogenic microorganisms" 10 : 32946-32952, 2020
26 Yoo, W. S., "Considerations of color expression methods for paperbased cultural properties in conservation science" 306-311, 2020
27 Lee, H.S., "Archived Editions of Yu Kil-Chun (兪吉濬全書) Volumes 1-5" 1971