@article{MOMA_1958__62_177041,
     author = {Bernhardine Zeidl},
     title = {\"Uber 4- und 5-chrome {Graphen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {212--218},
     publisher = {mathdoc},
     volume = {62},
     year = {1958},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1958__62_177041/}
}