1. Computer programs published by the Geological Survey of Canada;Agterberg;Computers & Geosciences,1976
2. Electronic-survey computing in Australia;Burns;Computers & Geosciences,1979
3. U.S. Bureau of Mines computer programs;Merriam;Computers & Geosciences,1977
4. Seismic refraction calculations in a multilayer medium;Dabek;IGS Applied Geophysics Unit Computer Report No. 23,1977
5. Gravity tide corrections;Dabek;IGS Applied Geophysics Unit Computer Report No. 24,1977