1. An algorithm for the organization of information;Adel'son–Vel'skii;Doklady Akademica Nauk SSSR,1962
2. An algorithm for the organization of information;Adel'son–Vel'skii;English translation in Soviet Math.,1962
3. An insertion technique for one-sided height-balanced trees;Hirschberg;Comm. ACM,1976
4. The Art of Computer Programming;Knuth,1973
5. Deletion in one-sided height-balanced search trees;Ottman,1977