1. G. M. Adelson-Velskii and E. M. Landis. An algorithm for the organization of information. Dokladi Akademia Nauk SSSR, 146(2), 1962.
2. A. V. Aho, J. E. Hopcroft, and J. D. Ullman. Data Structures and Algorithms. Addison-Wesley, Reading Mass, 1983.
3. A. Andersson. Improving partial rebuilding by using simple balance criteria. In Proc. Workshop on Algorithms and Data Structures, WADS '89, Ottawa, 1989.
4. A. Andersson. Optimal bounds on the dictionary problem. In Proc. Symposium on Optimal Algorithms, Varna, 1989.
5. A. Andersson. Efficient Search Trees. Ph. D. Thesis, Lund University, Sweden, 1990.