@article{lai2020a,
  title = {A Review of Technical Standards for Smart Cities}
  author = {Lai, Chun Sing and Jia, Youwei and Dong, Zhekang and Wang, Dongxiao and Tao, Yingshan and Lai, Qi Hong and Wong, Richard T. K. and Zobaa, Ahmed F. and Wu, Ruiheng and Lai, Loi Lei},
  journal = {Clean Technologies},
  url = {https://www.mdpi.com/2571-8797/2/3/19},
  year = {2020}
}