PHYSICS LETTERS A, vol. 226, no. 1-2, page. 17 - 21, 1997-02-10
PHYSICAL REVIEW B, vol. 56, no. 8, page. 4825 - 4829, 1997-08-15
library@postech.ac.kr Tel: 054-279-2548
Copyrights © by 2017 Pohang University of Science ad Technology All right reserved.