1. Attenuation of Modified Mercalli Intensity with Distance from the Epicentre;Howell;Bull. Seism. Soc. Amer.,1975
2. Spatial Attenuation of Intensities for Central US Earthquakes;Gupta;Bull. Seism. Soc. Amer.,1976
3. Attenuation of Intensities Based on Isoseismals of Earthquakes in Central United States;Gupta;Earthquake Notes,1976
4. Reinterpretation of the Intensity Data for the 1866 Charleston, South Carolina Earthquake, in Studies Related to the Charleston South Carolina Earthquake of 1866—A Preliminary, Report, USGS;Bollinger;Proff. Paper,1977
5. Attenuation of Modified Mercalli Intensity for Earthquakes in the Iberian Peninsula;Shukla;Proc. 6th WCEE, New Delhi, India,1977