@article{zhao2012conformal,
  title={Conformal magnifier: A focus+ context technique with local shape preservation},
  author={Zhao, Xin and Zeng, Wei and Gu, Xianfeng David and Kaufman, Arie E and Xu, Wei and Mueller, Klaus},
  journal={IEEE Transactions on Visualization and Computer Graphics},
  volume={18},
  number={11},
  pages={1928--1941},
  year={2012},
  publisher={IEEE}
}