@article{ELMA_1984__39_141330,
     author = {H. Harborth and Ingrid Mengersen},
     title = {Eine {Ramsey-Zahl} f\"ur f\"unf {Knoten} und acht {Kanten.}},
     journal = {Elemente der Mathematik},
     pages = {6--9},
     publisher = {mathdoc},
     volume = {39},
     year = {1984},
     zbl = {0529.05040},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1984__39_141330/}
}