Visually smooth composite surfaces for an unevenly spaced 3D data array

@article{Choi1993VisuallySC,
  title={Visually smooth composite surfaces for an unevenly spaced 3D data array},
  author={Byoung Kyu Choi and Hayong Shin and Woo S. Yoo},
  journal={Computer Aided Geometric Design},
  year={1993},
  volume={10},
  pages={157-171}
}