@inproceedings{gol-mal-ber-02-puzz,
  author = {David Goldberg and Christopher Malon and Marshall Bern},
  title = {A Global Approach to Automatic Solution of Jigsaw Puzzles},
  booktitle = {Proc. 18th Annual ACM Symp.~on Computational Geometry},
  pages = {74--81},
  year = 2002,
  month = jun,
  comment = {Focus on the combinatorial part of the assembly. The pair-finding step assumes that pieces have smooth boundaries and sharp corners.}
}