INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, vol. 39, no. 10, page. 3938 - 3944, 2000-10
KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 18, no. 3, page. 308 - 316, 2001-05
KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 18, no. 5, page. 704 - 710, 2001-09