@article{JGG_2006_10_2_JGG_2006_10_2_a4,
     author = {S. Wilson },
     title = {Uniform {Maps} on the {Klein} {Bottle}},
     journal = {Journal for geometry and graphics},
     pages = {161--171},
     year = {2006},
     volume = {10},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JGG_2006_10_2_JGG_2006_10_2_a4/}
}