Authors
Haidou Yang
Management science and engineering research, Air Force Engineering University, Xi’an, China
Wei Li
Highway Communication Research, Traffic Occupation Technology Institute of Shaanxi, Xi’an, China
© 2015 Haidou Yang, Wei Li, published by Professor Subhas Chandra Mukhopadhyay
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.