1. Terrestrial heat flow in Persia;Coster;Monthly Notices Roy. Astron. Soc., Geophys. Suppl.,1947
2. The geology and petrology of eastern Singhbhum and surrounding areas;Dunn;Geol. Surv. India Mem.,1942
3. Terrestrial heat flow in Australia;Howard;J. Geophys. Res.,1964
4. K. M. Kaiser P. K. Mitra R. N. Sinha S. Bagchi Thermal gradients in Indian coal fields Res. Paper 15 1964
5. Preface