@article{JGG_1999_3_2_a6,
     author = {B. W. Field},
     title = {A {Course} in {Spatial} {Visualisation}},
     journal = {Journal for geometry and graphics},
     pages = {201--21},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1999},
     url = {http://geodesic.mathdoc.fr/item/JGG_1999_3_2_a6/}
}