5.
Patricia D. Sparks, Nathaniel P. Stern, Darci S. Snowden, Brian A. Kappus, Joseph G. Checkelsky, Seneca Harberger, Angela M. Fusello, and James C. Eckert. “Stripe domains and magnetoresistance in thermally deposited nickel films.” Journal of Magnetism and Magnetic Materials 272, E1339 (2004).
doi:10.1016/j.jmmm.2003.12.586