@article{ITA_1996__30_6_507_0,
     author = {Nebel, Markus E.},
     title = {Digital search trees with keys of variable length},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {507--520},
     year = {1996},
     publisher = {EDP Sciences},
     volume = {30},
     number = {6},
     mrnumber = {1454827},
     zbl = {0877.68091},
     language = {en},
     url = {https://www.numdam.org/item/ITA_1996__30_6_507_0/}
}