@article{JGAA_2018_22_1_a3,
     author = {Franz Brandenburg},
     title = {A {First} {Order} {Logic} {Definition} of {Beyond-Planar} {Graphs}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {51--66},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2018},
     doi = {10.7155/jgaa.00455},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00455/}
}