Download Article
Download the full article as a PDF file.
Download the full article as a PDF file.
© 2015 Ke Zhang, Haitao Zhang, Hongfang Ma, Weiyong Ying, Dingye Fang, published by West Pomeranian University of Technology, Szczecin
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.