Fateme Ashari-Ghomi and Najme Khorasani and Abbas Nowzari-Dalini, Ranking and Unranking Algorithms for k-ary Trees in Gray Code Order. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2012, vol. 68(8). 1020 - 1025 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/9384.