by Irving, A.D, Cunliffe, N.H, Dewson, T, Hong, G
Published in Applied mathematical modelling (1995)

by Baynham, D.E., Aspey, R.Q., Carr, F.S., Coombs, R.C., Cragg, D.A., Cunliffe, N.H., Greenhalgh, R.J., Holtom, E., Sampson, P.L., Walters, C.R.
Published in IEEE transactions on magnetics (01.07.1996)