@article{JGG_2006_10_2_JGG_2006_10_2_a6,
     author = {L. Cocchiarella },
     title = {Geometry and {Graphics} in {Spatial} {Invention:} {Among} {Mind,} {Hand,} and {Digital} {Means}},
     journal = {Journal for geometry and graphics},
     pages = {183--197},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2006},
     url = {http://geodesic.mathdoc.fr/item/JGG_2006_10_2_JGG_2006_10_2_a6/}
}