1. World seismicity maps compiled from ESSA, Coast and Geodetic Survey, epicentre data 1961–1967;Barazangi;Bull. Seismol. Soc. Am.,1969
2. Earthquake mechanisms in the Himalayan, Burmese and Andaman regions and continental tectonics in Central Asia;Fitch;Geophys. Res.,1970
3. Geology of Himalayas;Gansser,1964
4. Status report of Wadia Institute of Himalayan Geology, Delhi;Jhingran,1973