by Koskinen, T.T., Yelle, R.V., Snowden, D.S., Lavvas, P., Sandel, B.R., Capalbo, F.J., Benilan, Y., West, R.A.
Published in Icarus (New York, N.Y. 1962) (01.12.2011)

by Sparks, P.D, Stern, N.P, Snowden, D.S, Kappus, B.A, Checkelsky, J.G, Harberger, S.S, Fusello, A.M, Eckert, J.C
Published in Journal of magnetism and magnetic materials (01.05.2004)

by Snowden, D.S., Checkelsky, J.G., Harberger, S.S., Stern, N.P., Eckert, J.C., Sparks, P.D.
Published in IEEE transactions on magnetics (01.07.2004)

by Eckert, J.C., Stern, N.P., Snowden, D.S., Checkelsky, J.G., Sparks, P.D., Carey, M.J.
Published in Journal of magnetism and magnetic materials (01.05.2004)