1. H. Watari, H. Ona and S. Izawa (1995) Shape Defects of Cold Roll Formed Products with Pie-Notches, Proc. 31st Int MATADOR Conf., p365
2. N. R. Chitkaraand W. Johnson (1980) An Investigation Into The Possibility of Roll Peen Forming: Some Experimental Results, Proc 21st Int MTDR Conf. p.75
3. N. R. Chitkara, K. T. Taspinar and M. M. Nordin (1961) Rolling of Thin and Thick Sheets Between a Rat Balls of Different Diameters and Spacings Embedded around its Surface, Proc. 22nd Int.MTDR Conf. p.497
4. T. Jimma, H. Ona, M. Ohji, K. Yasuhara, I. Miyoshi and H. Kawase (1982) On Forming of Deep-cut Louvers by Use of Gear-Shaped Slitting Rolls, Journal of the Japan Society for Technology of Plasticity, vol. 23, No 260, p.903
5. K. Sato, R Miya, K. Ozaki, H. Nishimura, Y. Ishikawa and O. Ishishita (1961) Punching Aluminum Sheets with UrethaneElastomer Tools, Journal of the Japan Society of Light Weight Metals, vol. 31, No3, p. 164