1. G. Schmahl, D. Rudolph, P. Guttmann, and O. Christ: In X-Ray Microscopy, ed. by G. Schmahl and D. Rudolph, Springer-Verlag, Berlin, p.63, Vol.43 (Series in Optical Sciences 1983 )
2. D.P. Kern, P.J. Houzero, P.J. Coane, and T.H.P. Chang: J. Vac. Sci. Technol., Vol. B1, p. 1096, 1983
3. H. Aritome, H. Aoki, and S. Namba: Jpn. J. Appl. Phys., p. L406, 1984
4. M. Sekimoto, A. Ozawa, T. Ohkubo and H. Yoshihara: Extend Abstracts of 16th Conference on Solid Devices and Materials, Kobe, p. 23, 1984
5. Y. Kagoshima, S. Aoki, M. Kakuchi, M. Sekimoto, H. Maezawa, K. Hyodo, and M. Ando: A zone plate soft x-ray microscope using undulator radiation at the photon factory (this volume)