by Eriksson, A.J., Mousa, A.M.
Published in IEEE transactions on power delivery (01.01.1991)

by Whitehead, J.T., Chisholm, W.A., Anderson, J.G., Clayton, R., Elahi, H., Eriksson, A.J., Grzybowski, S., Hileman, A.R., Janischewskyj, W., Longo, V.J., Moser, C.H., Mousa, A.M., Orville, R.E., Parrish, D.E., Rizk, F.A.M., Renowden, J.R.
Published in IEEE transactions on power delivery (01.07.1993)