@article{DCG_1988__3_1-2_131038,
     author = {P. Frankl and H. Maehara},
     title = {On the {Contact} {Dimension} of {Graphs.}},
     journal = {Discrete & computational geometry},
     pages = {89--96},
     publisher = {mathdoc},
     volume = {3},
     number = {1-2},
     year = {1988},
     zbl = {0625.05048},
     url = {http://geodesic.mathdoc.fr/item/DCG_1988__3_1-2_131038/}
}