@article{JGAA-455,
    Author = {{Brandenburg}, {Franz} J.},
    File = {A First Order Logic Definition of Beyond-Planar Graphs - Brandenburg.pdf},
    Journal = {Journal of Graph Algorithms and Applications},
    Number = {1},
    Pages = {51--66},
    Title = {A First Order Logic Definition of Beyond-Planar Graphs},
    Volume = {22},
    Year = {2018},
    bdsk-url-1 = {https://doi.org/10.7155/jgaa.00455},
    date-added = {2021-09-07 13:00:12 +0200},
    date-modified = {2021-09-07 13:00:12 +0200},
    doi = {10.7155/jgaa.00455}
}

@article{JGAA-455, Author = {{Brandenburg}, {Franz} J.}, File = {A First Order Logic Definition of Beyond-Planar Graphs - Brandenburg.pdf}, Journal = {Journal of Graph Algorithms and Applications}, Number = {1}, Pages = {51--66}, Title = {A First Order Logic Definition of Beyond-Planar Graphs}, Volume = {22}, Year = {2018}, bdsk-url-1 = {https://doi.org/10.7155/jgaa.00455}, date-added = {2021-09-07 13:00:12 +0200}, date-modified = {2021-09-07 13:00:12 +0200}, doi = {10.7155/jgaa.00455} }