Spatially referenced methods of processing raster and vector data. - Sarah B. M. Bell; B. M. Diaz; Fred C. Holroyd; M. J. Jackson (Image Vis. Comput., 1983)

A digital geometry for hexagonal pixels. - Sarah B. M. Bell; Fred C. Holroyd; David C. Mason (Image Vis. Comput., 1989)

Tesseral Quaternions for the Octtree. - Sarah B. M. Bell; David C. Mason (Comput. J., 1990)

Tesseral amalgamators and hierarchical tessellations. - Sarah B. M. Bell; Fred C. Holroyd (Image Vis. Comput., 1991)

A spatial database manager for a generic image-understanding system. - David C. Mason; C. J. Oddy; A. J. Rye; Sarah B. M. Bell; M. Illingworth; K. Preedy; C. Angelikaki; E. Pearson (J. Chem. Inf. Comput. Sci., 1991)

Spatial database manager for a multi-source image understanding system. - David C. Mason; C. J. Oddy; A. J. Rye; Sarah B. M. Bell; M. Illingworth; K. Preedy; C. Angelikaki; E. Pearson (Image Vis. Comput., 1993)

Handling Four-Dimensional Geo-Referenced Data in Environmental GIS. - David C. Mason; M. A. O'Conaill; Sarah B. M. Bell (Int. J. Geogr. Inf. Sci., 1994)

Fractals: a fast, accurate and illuminating algorithm. - Sarah B. M. Bell (Image Vis. Comput., 1995)

Lattice Rings: Coordinates for Self-Similar Hierarchies and Their Relevance to Geographic Information Systems. - Sarah B. M. Bell; Fred C. Holroyd (Int. J. Geogr. Inf. Sci., 1996)