Search results for: Xiaoping Liu
Journal of University of Science and Technology Beijing > 2008 > 15 > 5 > 590-593
Journal of University of Science and Technology Beijing > 2006 > 13 > 5 > 420-423
Journal of University of Science and Technology Beijing > 2008 > 15 > 5 > 590-593
Journal of University of Science and Technology Beijing > 2006 > 13 > 5 > 420-423