@inproceedings{w-eecpm-06
  author    = {Ron Wein},
  title     = {Exact and Efficient Construction of Planar Minkowski Sums
               Using the Convolution Method},
  booktitle = {ESA},
  year      = {2006},
  pages     = {829-840},
  ee        = {http://dx.doi.org/10.1007/11841036_73},
{