R. J. Ord-Smith. Generation of Permutation Sequences: Part 2. Comput. J., 14(2):136-139, 1971.
@article{Ord-Smith71, title = {Generation of Permutation Sequences: Part 2}, author = {R. J. Ord-Smith}, year = {1971}, researchr = {https://researchr.org/publication/Ord-Smith71}, cites = {0}, citedby = {0}, journal = {Comput. J.}, volume = {14}, number = {2}, pages = {136-139}, }