[1]
V. B. Bhanot, V. P. Singh, A. K. Kansal, and V. C. Thakur, “Early Proterozoic Rb-Sr Whole-Rock Age for Central Crystalline Gneiss of Higher Himalaya, Kumaun”, jgsi, vol. 18, no. 2, pp. 90–91, Jan. 1977.