@article{JGG_2008_12_2_JGG_2008_12_2_a9,
     author = {T. W. Rauber and A. Conci },
     title = {Using {PostScript} {Programming} {Language} in an {Undergraduate} {Computer} {Graphics} {Course}},
     journal = {Journal for geometry and graphics},
     pages = {215--228},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {2008},
     url = {http://geodesic.mathdoc.fr/item/JGG_2008_12_2_JGG_2008_12_2_a9/}
}