Andersson, Arne (1993). "Balanced search trees made simple"(PDF). In Dehne, Frank K. H. A.; Sack, Jörg-Rüdiger; Santoro, Nicola; Whitesides, Sue (eds.). Algorithms and Data Structures, Third Workshop, WADS '93, Montréal, Canada, August 11-13, 1993, Proceedings. Lecture Notes in Computer Science. Vol. 709. Springer. pp. 60–71. doi:10.1007/3-540-57155-8_236.
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Andersson, Arne (1993). "Balanced search trees made simple"(PDF). In Dehne, Frank K. H. A.; Sack, Jörg-Rüdiger; Santoro, Nicola; Whitesides, Sue (eds.). Algorithms and Data Structures, Third Workshop, WADS '93, Montréal, Canada, August 11-13, 1993, Proceedings. Lecture Notes in Computer Science. Vol. 709. Springer. pp. 60–71. doi:10.1007/3-540-57155-8_236.
