@book{KirschNienhausDoellner2005,
  author    = {Florian Kirsch and Marc Nienhaus and J{\"u}rgen Roland Friedrich D{\"o}llner},
  title     = {Visualizing design and spatial assembly of interactive CSG},
  volume    = {7},
  isbn      = {3-937786-56-2},
  year      = {2005},
}