1. Divya Kr. Sharma, Babita, Satish and A.K. Saxena, An Approach for Automation of Calibration Process of DC Voltage Standard at NPLI, Proceedings of Advances in Metrology, AdMet-12, Pune, (2012) Paper no. EM 011.
2. S.P. Benz and C.A. Hamilton, Application of the Josephson Effect to Voltage Metrology, Proc. IEEE, 92 (2004) 1617–1629.
3. V.N. Ojha and A.K. Gupta, Josephson Voltage Standard at 1 Volt Level at NPL India, T.L. Nelson (ed), CPEM-Digest (USA), Washington DC, USA, (1998) pp. 558–559.
4. A. Pokatilov and T. Kubarsepp, Establishment of National Standard of Voltage Unit in Estonia, Proceedings of 10th Biennial Baltic Electronics Conference BEC2006, Tallinn, Estonia, (2006) pp. 157–160.
5. S.K. Sharma, V.N. Ojha, Singh Ajeet, S.K. Jaiswal and Sharma Rina, Traceability and Calibration—A Case Study, MAPAN J. Metrol. Soc. India, 18 (2003) 57–61.