Lee, D. T.; Wong, C. K. (1977). "Worst-case analysis for region and partial region searches in multidimensional binary search trees and balanced quad trees". Acta Informatica. 9. doi:10.1007/BF00263763. S2CID36580055.
Rosenberg, J. B. (1985). "Geographical Data Structures Compared: A Study of Data Structures Supporting Region Queries". IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems. 4: 53–67. doi:10.1109/TCAD.1985.1270098. S2CID31223074.
Houthuys, P. (1987). "Box Sort, a multidimensional binary sorting method for rectangular boxes, used for quick range searching". The Visual Computer. 3 (4): 236–249. doi:10.1007/BF01952830. S2CID3197488.
Lee, D. T.; Wong, C. K. (1977). "Worst-case analysis for region and partial region searches in multidimensional binary search trees and balanced quad trees". Acta Informatica. 9. doi:10.1007/BF00263763. S2CID36580055.
Rosenberg, J. B. (1985). "Geographical Data Structures Compared: A Study of Data Structures Supporting Region Queries". IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems. 4: 53–67. doi:10.1109/TCAD.1985.1270098. S2CID31223074.
Houthuys, P. (1987). "Box Sort, a multidimensional binary sorting method for rectangular boxes, used for quick range searching". The Visual Computer. 3 (4): 236–249. doi:10.1007/BF01952830. S2CID3197488.
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Chandran, Sharat. Introduction to kd-trees. University of Maryland Department of Computer Science.