1. Adam, T. Bath University, Personal Communication, (1987).
2. Avco Missiles, Space and Electronics Group, Space Systems Division, ‘Investigation of 3-D fabrication of ablative materials’, Final Report No. AVSSD-0308–66-RR, (1969).
3. ‘Automatically woven 3-D composite structures’;Bruno;SAMPE Quarterly,1986
4. Ciba Geigy, Aeroweb information sheets nos. ATA 55 f and ATC 21d,(1978). Fibre Materials Inc., Product Data, Trade Literature, (1981).