@article{MZ_1980__171_172928,
     author = {Michael Beeson},
     title = {On {Interior} {Branch} {Points} of {Minimal} {Surfaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {133--154},
     publisher = {mathdoc},
     volume = {171},
     year = {1980},
     zbl = {0421.53007},
     url = {http://geodesic.mathdoc.fr/item/MZ_1980__171_172928/}
}