by Ramakumar, R., Butler, N.G., Rodriguez, A.P., Venkata, S.S.
Published in Proceedings of the IEEE (01.03.1993)

by Kagalwala, R.A., Venkata, S.S., El-Sharkawi, M.A., Butler, N.G., Van Leuven, A., Rodriguez, A.P., Kerszenbaum, I., Smith, D.
Published in IEEE transactions on power delivery (01.04.1995)

by Lauw, H.K., Klaassens, J.B., Butler, N.G., Seely, D.B.
Published in IEEE transactions on energy conversion (01.12.1988)

by El-Sharkawi, M. A., Venkata, S. S., Vadari, S. V., Chen, M. L., Butler, N. G., Yinger, R. W.
Published in IEEE transactions on energy conversion (01.12.1987)

by El-Sharkawi, M.A., Chen, M., Vadari, S.V., Fissel, G.W., Venkata, S.S., Butler, N.G., Yinger, R.J.
Published in IEEE transactions on energy conversion (01.06.1988)

by El-Sharkawi, M.a., Venkata, S.S., Williams, T.J., Butler, N.G.
Published in IEEE transactions on power apparatus and systems (01.07.1985)