About this article
Published Online: May 20, 2016
Page range: 167 - 176
Received: Dec 25, 2014
Accepted: May 04, 2015
DOI: https://doi.org/10.1515/caim-2016-0012
Keywords
© 2016 Yangyu Guo et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Guo, Yangyu
Wang, Moran