Brikowski, T. H., L. S. Smith, T.-C. Shei, and S. D. Shrestha. “Correlation of Electrical Resistivity and Groundwater Arsenic Concentration, Nawalparasi, Nepal”. Journal of Nepal Geological Society, vol. 30, Dec. 2004, pp. 99–106, doi:10.3126/jngs.v30i0.31687.