METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, vol. 24, no. 8, page. 1785 - 1793, 1993-08
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, vol. 12, no. 6, page. 712 - 714, 1991-12-20
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, no. 5, page. 326 - 327, 1991-03-01