1. The perfect couple-metal/plastic hybrids making effective use of composites;Rink,1997
2. The stabilised core composite;Wardill,1989
3. Lilley and Mani, Roof-crush strength improvement using rigid polyurethane foam, SAE paper 960435
4. Phillips, L., Improving racing car bodies, Composites, 1(1)50
5. Hollaway, L., Glass reinforced plastics in construction, Surrey University Press