@article{Bitner1976,
author = "Bitner, James R. and Ehrlich, Gideon and Reingold, Edward M.",
doi = "10.1145/360336.360343",
issn = "00010782",
journal = "Communications of the ACM",
keyword = "Gray code,combinations,combinatorial computing,compositions,subsets",
link = "http://dl.acm.org/citation.cfm?id=360336.360343 http://portal.acm.org/citation.cfm?doid=360336.360343",
month = "sep",
number = "9",
pages = "517--521",
publisher = "ACM",
title = "Efficient generation of the binary reflected gray code and its applications",
uri = "http://dl.acm.org/citation.cfm?id=360336.360343",
volume = "19",
year = "1976",
}
@article{Ruskey1988,
author = "Ruskey, Frank",
doi = "10.1016/0196-6774(88)90036-3",
issn = "01966774",
journal = "Journal of Algorithms",
link = "http://www.sciencedirect.com/science/article/pii/0196677488900363 http://linkinghub.elsevier.com/retrieve/pii/0196677488900363",
month = "jun",
number = "2",
pages = "162--180",
title = "Adjacent Interchange Generation of Combinations",
uri = "http://www.sciencedirect.com/science/article/pii/0196677488900363",
volume = "9",
year = "1988",
}