@article{10_37236_1671,
     author = {James D. Currie},
     title = {There are ternary circular square-free words of length \(n\) for \(n \geq\) 18},
     journal = {The electronic journal of combinatorics},
     year = {2002},
     volume = {9},
     doi = {10.37236/1671},
     zbl = {1057.68081},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1671/}
}