1. “My recollection about Study of Magnetic Recording”;Nagai;J. Mag. Soc. of Japan,1977
2. S. Iwasaki and K. Nagai: “Some considerations on the Design of High Output Magnetic Tape for Short Wave-length Recording”, Proceedings of the Conference on Signal Recording on Moving Magnetic Media, Budapest, 211 (1962).
3. “Design of High Density Magnetic Recording Tape”;Iwasaki;The Record of Electrical Communication Engineering Conversazione Tohoku Univ.,1962
4. “An Analysis for the Magnetization Mode for High Density Magnetic Recording”;Iwasaki;IEEE Transactions on Magnetics,1977
5. S. Iwasaki, Y. Nakamura: “S-C Maganetization Effect in Magnetic Recording”, Proc. of 1968 Nat. Meeting of The Inst. of Electronics, Information and Communication Engineers of Japan, S14-6, 29 (1968).