National Physical Laboratory (India), Symposium on Photovoltaic Materials and Devices, Das, B. K., & Singh, S. N. D. (1985). Photovoltaic materials and devices. Wiley.

National Physical Laboratory (India), Symposium on Photovoltaic Materials and Devices, B. K. Das, and S. N. Dr Singh. Photovoltaic Materials and Devices. New York: Wiley, 1985.

National Physical Laboratory (India), et al. Photovoltaic Materials and Devices. Wiley, 1985.