Domain Walls in Thin Ni-Fe Films. - Siegfried J. Methfessel; Simon Middelhoek; Harry Thomas (IBM J. Res. Dev., 1960)

Static Reversal Processes in Thin Ni-Fe Films. - Simon Middelhoek (IBM J. Res. Dev., 1962)

Peculiar Domain Behavior in Thin, Magnetic Ni-Fe Double Films. - Simon Middelhoek (IBM J. Res. Dev., 1965)