@article{VM_2007_9_2_a8,
     author = {Ton Marar},
     title = {Projective planes and the {Tripartite} {Unity}},
     journal = {Visual Mathematics},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/VM_2007_9_2_a8/}
}