On the number of full levels in tries

Charles Knessl, Wojciech Szpankowski. On the number of full levels in tries. Random Struct. Algorithms, 25(3):247-276, 2004. [doi]

@article{KnesslS04,
  title = {On the number of full levels in tries},
  author = {Charles Knessl and Wojciech Szpankowski},
  year = {2004},
  doi = {10.1002/rsa.20023},
  url = {http://dx.doi.org/10.1002/rsa.20023},
  researchr = {https://researchr.org/publication/KnesslS04},
  cites = {0},
  citedby = {0},
  journal = {Random Struct. Algorithms},
  volume = {25},
  number = {3},
  pages = {247-276},
}