1. Agarwal , A. , Pandey , B. D. , Kumar , V. , and Premchand , 1996 , Recovery of acid and metals from copper bleed stream, Seminar on recovery of valuable byproducts from intermediate secondaries in Non-ferrous industries, Organized by The Indian Institute of Metals, Ghatshila chapter, September , pp. 36 – 43 .
2. Bagchi , D. , Kumar , V. , Pandey , B. D. , and Premchand , 1999 , Processing of copper belld solution to recover metallic value in the treatment of ocean nodules, NML Interim report, India, September .
3. Gupta , C. K. and Mukherjee , T. K. , 1990 ,Hydrometallurgy in Extraction Process, Boca Raton , FL : CRC , vol. II , pp. 157 – 164 .