@article{10_1017_S0017089500002354,
     author = {Anderson, I. and Cook, R. J.},
     title = {Bi-embeddings of graphs},
     journal = {Glasgow mathematical journal},
     pages = {162--165},
     year = {1974},
     volume = {15},
     number = {2},
     doi = {10.1017/S0017089500002354},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002354/}
}