Journal of University of Science and Technology Beijing
Journal of University of Science and Technology Beijing > 2007 > 14 > 1 > 46-51
Journal of University of Science and Technology Beijing > 2007 > 14 > 2 > 141-145
Journal of University of Science and Technology Beijing > 2007 > 14 > 2 > 136-140
Journal of University of Science and Technology Beijing > 2007 > 14 > 3 > 266-270
Journal of University of Science and Technology Beijing > 2007 > 14 > 3 > 276-279
Journal of University of Science and Technology Beijing > 2007 > 14 > 4 > 335-340
Journal of University of Science and Technology Beijing > 2007 > 14 > 5 > 431-436
Journal of University of Science and Technology Beijing > 2007 > 14 > 5 > 420-424
Journal of University of Science and Technology Beijing > 2007 > 14 > 6 > 547-551