@article{hu2010input,
  title = {Input, stocks and output flows of urban residential building system in Beijing city, China from 1949 to 2008}
  author = {Hu, Dan and You, Fang and Zhao, Yanhua and Yuan, Ye and Liu, Tianxing and Cao, Aixin and Wang, Zhen and Zhang, Junlian},
  journal = {Resources, Conservation and Recycling},
  url = {https://www.sciencedirect.com/science/article/pii/S0921344910000868},
  doi = {10.1016/j.resconrec.2010.03.011},
  year = {2010}
}