@article{10_5427_jsing_2016_15c,
     author = {Antonella Grassi and James Halverson, and Julius L. Shaneson},
     title = {Geometry and {Topology} of {String} {Junctions}},
     journal = {Journal of Singularities},
     pages = {36--52},
     publisher = {mathdoc},
     volume = {15},
     year = {2016},
     doi = {10.5427/jsing.2016.15c},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2016.15c/}
}