Journal of Zhejiang University-SCIENCE A
Journal of Zhejiang University-SCIENCE A > 2004 > 5 > 1 > 99-105
Journal of Zhejiang University-SCIENCE A > 2004 > 5 > 11 > 1382-1391
Journal of Zhejiang University-SCIENCE A > 2004 > 5 > 1 > 99-105
Journal of Zhejiang University-SCIENCE A > 2004 > 5 > 11 > 1382-1391