@article{10_37236_8297,
     author = {Simon R. Blackburn},
     title = {Inglenook shunting puzzles},
     journal = {The electronic journal of combinatorics},
     year = {2019},
     volume = {26},
     number = {2},
     doi = {10.37236/8297},
     zbl = {1423.90207},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/8297/}
}