@article{VM_2012_14_3_a0,
     author = {Paulus Gerdes},
     title = {A {Nuer} dance rattle {(South} {Sudan):} {Plaiting} an octahedral shape},
     journal = {Visual Mathematics},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/VM_2012_14_3_a0/}
}