Lee, Sung Chul; Lan, Wen-Zhi; Kim, Beom-Gi; Li, Legong; Cheong, Yong Hwa; Pandey, Girdhar K.; Lu, Guihua; Buchanan, Bob B.; Luan, Sheng
ArticleIssue Date2007CitationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, v.104, no.40, pp 15959 - 15964PublisherNATL ACAD SCIENCES