@article{10_37236_926,
     author = {Christopher Degni and Arthur A. Drisko},
     title = {Gray-ordered binary necklaces},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/926},
     zbl = {1113.68071},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/926/}
}