Hahn89'

@article{DBLP:journals/cagd/Hahn89,
  author    = {J{\"o}rg M. Hahn},
  title     = {Geometric continuous patch complexes},
  journal   = {Computer Aided Geometric Design},
  volume    = {6},
  number    = {1},
  year      = {1989},
  pages     = {55-67},
  ee        = {http://dx.doi.org/10.1016/0167-8396(89)90006-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}