Cell Tree

• Oliver Günther: Efficient Structures for Geometric Data Management. Lecture Notes in Computer Science, Vol. 337, Springer 1988, ISBN 3-540-50463-X
• Oliver Günther, Jeff Bilmes: Tree-Based Access Methods for Spatial Databases: Implementation and Performance Evaluation. IEEE Trans. Knowl. Data Eng. 3(3): 342-356(1991)