Issue No.06 - September (1983 vol.3)
Albert J. Christensen , Chicago Aerial Survey, Inc.
This approach to preparing a uniform grid of magnetic anomalies uses special software to evaluate the grid intersections directly from coded raster images of the source map.
Albert J. Christensen, "Uniform Grids from Raster Data", IEEE Computer Graphics and Applications, vol.3, no. 6, pp. 44-53, September 1983, doi:10.1109/MCG.1983.263239