Lithosphere : structure, dynamics and evolution / S. M. Naqvi, Harsh K. Gupta and S. Balakrishna, edSeismological instrumentation and data analysis in developing countries : selected papers presented at a symposium held as part of the 19th IUGG General Assembly, in Vancouver in August 1987 / ed. by H.K. GuptaSeismology and related sciences in Afria : selected papers from the IASPEI: Regional seismological assembly in Africa, held in Nairobi, Kenya, August 22-29, 1990 / ed. by C. J. Ebinger, H. K. Gupta and I. O. NyambokEncyclopedia of solid earth geophysics / ed. by Harsh GuptaEncyclopedia of solid earth geophysics / ed. by Harsh Gupta