Journal of Zhejiang University-SCIENCE A
Journal of Zhejiang University-SCIENCE A > 2004 > 5 > 11 > 1367-1373
Journal of Zhejiang University-SCIENCE A > 2004 > 5 > 11 > 1343-1351
Journal of Zhejiang University-SCIENCE A > 2004 > 5 > 11 > 1367-1373
Journal of Zhejiang University-SCIENCE A > 2004 > 5 > 11 > 1343-1351