Sedhuraman, K., S. Himavathi, and A. Muthuramalingam. “Reactive Power Based Model Reference Neural Learning Adaptive System for Speed Estimation in Sensor-Less Induction Motor Drives”. The Journal of Engineering Research [TJER], vol. 9, no. 2, Dec. 2012, pp. 17-26, doi:10.24200/tjer.vol9iss2pp17-26.