1. Agrawal, D. P. (1971). The Copper Bronze Age in India. New Delhi: Munshiram Manoharlal.
2. Agrawal, D. P. (2000). Ancient metal technology and archaeology of South Asia. New Delhi: Ayran Books International.
3. Agrawal, D. P., & Kharakwal, J. S. (2003). Bronze and Iron Ages in South Asia: Archaeology of South Asia II. New Delhi: Aryan Books International.
4. Bayley, J. (1985). What’s what in ancient technology: An introduction to high-temperature processes. In P. Phillips (Ed.), The archaeologist and the laboratory (pp. 41–44). London: Council for British Archaeology.
5. Bhan, K. K., Vidale, M., & Kenoyer, J. M. (2002). Some important aspects of the Harappan technological tradition. In S. Settar & R. Korisettar (Eds.), Indian archaeology in retrospect, Volume 2 (Protohistory: Archaeology of the Harappan Civilization) (pp. 223–272). New Delhi: Indian Council of Historical Research.