1. Origin and development of aerial photography in Indian;Khosla,1978
2. Demonstrated applications in India of earth resources survey by remote sensing;Bhavsar,1980
3. Indian Remote Sensing Satellite-Utilisation Plan;Bhavsar;Int. J. Remote Sensing,1985
4. India's Water Wealth;Rao,1975
5. Water resources assessment, development and management — a national view;Singh,1983