@inproceedings{CTT100507952,
  author = {Alexis Andre and Suguru Saito and masayuki nakajima},
  title = {Modeling from Cross-Hatched Sketches},
  booktitle = {Visual Computing Workshop 2006 note},
  year = 2006,
}

@inproceedings{CTT100507791,
  author = {Alexis Andre and 齋藤豪 and 中嶋正之},
  title = {Modeling using Principal Directions of Curvature},
  booktitle = {電子情報通信学会2006総合大会},
  year = 2006,
}