Frank Ruskey, Joe Sawada, Aaron Williams. Binary bubble languages and cool-lex order. Journal of Combinatorial Theory, Series A, 119(1):155-169, 2012. [doi]
@article{RuskeySW12,
title = {Binary bubble languages and cool-lex order},
author = {Frank Ruskey and Joe Sawada and Aaron Williams},
year = {2012},
doi = {10.1016/j.jcta.2011.07.005},
url = {http://dx.doi.org/10.1016/j.jcta.2011.07.005},
researchr = {https://researchr.org/publication/RuskeySW12},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {119},
number = {1},
pages = {155-169},
}