@article{pan2018transformation,
  title={Transformation of LEGO Models},
  author={Pan, Wei and Chen, Lujie},
  journal={Computer-Aided Design and Applications},
  volume={15},
  number={NO. 6},
  pages={796--806},
  year={2018},
  publisher={Taylor \& Francis},
  doi={10.1080/16864360.2018.1477670}
}