S. Kniesburges and C. Scheideler, “Hashed Patricia Trie: Efficient Longest Prefix Matching in Peer-to-Peer Systems,” in WALCOM: Algorithms and Computation - 5th International Workshop, WALCOM 2011, New Delhi, India, February 18-20, 2011. Proceedings, 2011, vol. 6552, pp. 170--181.