@article{ParedesAmorBooetal.2016,
  author    = {E. G. Paredes and M. Amor and M. Boo and J. D. Bruguera and J{\"u}rgen Roland Friedrich D{\"o}llner},
  title     = {Hybrid terrain rendering based on the external edge primitive},
  journal   = {International journal of geographical information science},
  volume    = {30},
  pages     = {1095 -- 1116},
  doi       = {10.1080/13658816.2015.1105375},
  year      = {2016},
}