KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 21, no. 6, page. 1087 - 1097, 2004-11
CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS, vol. 64, no. 2, page. 137 - 155, 2002-11-28
CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS, vol. 65, no. 1, page. 149 - 149, 2003-01-28