1. Multiquadric equations of topography and other irregular surfaces;Hardy;J. Geophys. Res.,1971
2. Geodetic applications of multiquadric equations;Hardy,1976
3. Least squares prediction;Hardy;Photogramm. Eng. and Remote Sensing,1977
4. The application of multiquadric equations and point mass anomaly models to crustal movement studies;Hardy;NOAA Tech. Rep. NOS NGS — Rockville, Md.,1977
5. Least squares prediction of gravity anomalies, geoidal undulations, and deflections of the vertical with multiquadric harmonic functions;Hardy;Geophys. Res. Lett.,1975