Interpretive Tools for 3-D Structural Geological Modeling Part I: Bézier-Based Curves, Ribbons and Grip Frames. - Eric A. de Kemp; Kevin B. Sprague (GeoInformatica, 2003)

Interpretive Tools for 3-D Structural Geological Modelling Part II: Surface Design from Sparse Spatial Data. - Kevin B. Sprague; Eric A. de Kemp (GeoInformatica, 2005)

3-D symbolization of L-S fabrics as an aid to the analysis of geological structures. - Eric A. de Kemp; Ernst M. Schetselaar; Kevin B. Sprague (Comput. Geosci., 2006)

Spatial targeting using queries in a 3-D GIS environment with application to mineral exploration. - Kevin B. Sprague; Eric A. de Kemp; Winston Wong; John McGaughey; Gervais Perron; Tucker Barrie (Comput. Geosci., 2006)