@article{MAN_1964__153_161116,
     author = {R. HALIN},
     title = {Bemerkungen \"uber ebene {Graphen.}},
     journal = {Mathematische Annalen},
     pages = {38--46},
     publisher = {mathdoc},
     volume = {153},
     year = {1964},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1964__153_161116/}
}