1. Springer Series in Optical Sciences;L Reimer,1984
2. McFadyen, I.R. and Chapman, J.N. (1992) Electron microscopy of magnetic materials, EMS A Bulletin, 22, 64–75.
3. Observation of magnetic domains in magnetic recording materials, Hitachi Technical Data EM Sheet No 47.
4. Tsuno, K. and Taoka, T. (1983) Magnetic-field-free objective lens around a specimen for observing fine structure of ferromagnetic materials in a transmission electron microscope, Jap. J. Appl Phys., 22, 1041–1047.
5. Tsuno, K. and Inoue, M. (1984) Double gap objective lens for observing magnetic domains by means of differential phase contrast electron microscopy, Optik, 67, 363–376.