Qualitative Theory of Shape and Structure. - Vincent Dugat; Pierre Gambarotto; Yannick Larvor (EPIA, 1999)

Qualitative Geometry for Shape Recognition. - Vincent Dugat; Pierre Gambarotto; Yannick Larvor (Appl. Intell., 2002)

Abstract Representation of Object and Structural Symmetries Detection. - Vincent Dugat; Pierre Gambarotto; Yannick Larvor (J. Univers. Comput. Sci., 2003)