BULLETIN OF THE KOREAN CHEMICAL SOCIETY, vol. 28, no. 11, page. 1923 - 1924, 2007-11-20
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 129, no. 16, page. 5244 - 5247, 2007-04-25
CHEMICAL COMMUNICATIONS, vol. 18, no. 18, page. 1804 - 1806, 2007-01