@article{chen2016the,
  title = {The Metabolism Analysis of Urban Building by 4d-GIS – A Useful Method for New-type Urbanization Planning in China}
  author = {Chen, Chang and Shi, Feng and Okuoka, Keijiro and Tanikawa, Hiroki},
  journal = {Universal Journal of Materials Science},
  url = {http://www.hrpub.org/journals/article_info.php?aid=3489},
  year = {2016}
}