The Journal of China Universities of Posts and Telecommunications
The Journal of China Universities of Posts and Telecommunications > 2006 > 13 > 1 > 40-43,48
The Journal of China Universities of Posts and Telecommunications > 2007 > 14 > 4 > 118-121
The Journal of China Universities of Posts and Telecommunications > 2007 > 14 > 4 > 100-103