@article{JGG_2011_15_2_JGG_2011_15_2_a4,
     author = {F. Gruber and G. Wallner },
     title = {Algorithms for {Generation} of {Irregular} {Space} {Frame} {Structures}},
     journal = {Journal for geometry and graphics},
     pages = {169--179},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/JGG_2011_15_2_JGG_2011_15_2_a4/}
}