@article{GDZPPN002082187, title = {Straight line representations of planar graphs.}, journal = {Elemente der Mathematik}, volume = {44}, year = {1989}, pages = {64-66}, zbl = {0702.05030}, url = {http://dml.mathdoc.fr/item/GDZPPN002082187} }
Bryant, V.W. Straight line representations of planar graphs.. Elemente der Mathematik, Tome 44 (1989) pp. 64-66. http://gdmltest.u-ga.fr/item/GDZPPN002082187/