@article{DCG_1994__11_3_131296,
     author = {D. Eppstein},
     title = {Approximating the {Minimum} {Weight} {Steiner} {Triangulation.}},
     journal = {Discrete & computational geometry},
     pages = {163--192},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1994},
     zbl = {0797.68154},
     url = {http://geodesic.mathdoc.fr/item/DCG_1994__11_3_131296/}
}