Evaluating Field-Based GIS for Environmental Characterization, Modelling and Decision Support. - Steve Carver; D. Ian Heywood; Sarah Cornelius; David Sear (Int. J. Geogr. Inf. Sci., 1995)

Interoperability for GIScience Education. - Karen K. Kemp; Derek E. Reeve; D. Ian Heywood (INTEROP, 1999)