GIS in Africa: problems, challenges and opportunities for co-operation. - David A. Hastings; David M. Clark (Int. J. Geogr. Inf. Sci., 1991)

Development and application of global databases: considerable progress, but more collaboration needed. - David A. Hastings; John J. Kineman; David M. Clark (Int. J. Geogr. Inf. Sci., 1991)

Experience teaching hands-on parallel computing at a small college. - David A. Hastings (J. Comput. Sci. Coll., 2002)