@article{VM_2001_3_2_a6,
     author = {Robert W. Fathauer},
     title = {Some {Common} {Themes} in {Visual} {Mathematical} {Art}},
     journal = {Visual Mathematics},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VM_2001_3_2_a6/}
}