Ho-Sung Yoon, Jung-Woon Lee, Won-Seop Baek, Hyung-Sang Park, Un-Yeon Hwang, Seung-Joon Yoo, Han-Jin Park, Seon-Gi Kim,
Synthesis of Alumina Sol from Al metal and Effect of Surface Characterization by Aging in the Sol Preparation Korean Journal of Chemical Engineering. ,vol. 40, pp. 371- 376 ,(2002)