1. Hill, Sir John, Fossil Fuel Prices May Double Soon. The Hindu of 28.6.79
2. Nagarajan, R. Energy Crisis: Solution Lies in Conservation. Special Report - The Hindu of March 10, 1980
3. Energy;Parikh,1976
4. Ashwin Kumar, Alok Srivastava & G.N. Tiwari. Utilization of Hollow Slabs in Heating and Cooling of Buildings. Proceedings of National Solar Energy Convention, Bombay, 1979. P. 193
5. Design Aids for Particulate Bed Systems for Summer Cooling;Chandra;Research & Industry, Journal of CSIR,1978