1. K-Ar dating of plutonic and volcanic rocks in orogenic belts;Armstrong,1966
2. Tehri Garhwal and British Garhwal;Auden;Rec. Geol. Surv, India,1949
3. Some thoughts on the origin of gneissic rocks of Ranchi plateau, Bihar;Bagchi,1957
4. Geochronology of Indian Precambrian;Balasundram;Geol. Soc. Malaysia Bull.,1973
5. Pre-Cambrian (1220 m.y.) Rb-Sr whole rock isochron age for Bandai granite, Kulu Himalaya, Himachal Pradesh;Bhanot,1976