1. Bhattacharjee B (2003) An overview of R&D in fuel cycle activities of AHWR, 14th Indian Nuclear Society annual conference (INSAC), IT-1, pp 1-27
2. Mukherjee TK, Singh H (2003) 14th Indian Nuclear Society annual conference (INSAC), IT-7, pp 1–9
3. Gupta CK, Singh H (2003) Uranium resource processing: secondary resources. Springer, Heidelberg
4. Singh H, Gupta CK (2000) Min Pro Ext Met Rev 21:307–349
5. Fleiscer M, Rosenblum S, Woodruff M (1990) Geological survey professional paper. File Report 91:125