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Behara, Siva; Sandeep, N; Udaykumar, R Y . (2016). [IEEE 2016 7th India International Conference on Power Electronics (IICPE) - Patiala, India (2016.11.17-2016.11.19)] 2016 7th India International Conference on Power Electronics (IICPE) - Transformer-Based seven-level inverter with single-dc supply for renewable energy applications. , (), 1–6. doi:10.1109/IICPE.2016.8079431 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research