1. W. Watt, Chemistry and physics of the conversion of polyacrylonitrile fibres into high modulus carbon fibres, in Strong Fibres, ed. by W. Watt, B.V. Perov (Elsevier, Amsterdam, 1985), pp. 327–388
2. P. Morgan, Carbon Fibres and Their Composites (Taylor & Francis, Boca Raton, 2005)
3. R.C. Houtz, J. Text. Res. 20, 786–801 (1950)
4. A. Shindo, Osaka Kogyo Gijitsu Shikenjo Kiha 110, 119 (1961)
5. A. Shindo, Osaka Kogyo Gijitsu Shikenjo Hokoku 317 (1961)