Pathak, D., A. Johmori, I. Kawai, T. Seo, J. Okamoto, K. Satoh, D. Kawamura, H. Nemoto, and K. Nakagawa. “Controlled Source Audiofrequency Magnetotelluric Method Applied in Urban Area of Central Osaka, Japan”. Journal of Nepal Geological Society, vol. 21, July 2000, pp. 59–66, doi:10.3126/jngs.v21i0.32157.