1. Hayashi, T. On the Improvement of Mechanical Properties of Composites by Hybrid Composition. pp.149–152. Proc. 8th Int. Reinf. Plast. Conf.
2. High-performance composite material airframe weight and cost estimating relations
3. Riewald, P. G. and Zweben, C. Kevlar 49 Hybrid Composites for Commercial and Aerospace Applications. 30th Annu. Tech. Conf. Reinf. Plast./Compos. Inst. S.P.I. Vol. 14-B, pp.1–10.
4. Petrie, E. M. High Modulus Graphite and Aramid Reinforced Composites in Electrical and Electronic Applications. Soc. Plast. Eng., 31st Annu. Tech. Conf. pp.301–303.