1. Skinner's Silk Rayon Res.,35, No. 2, 164 (1961);
2. Plast. Techn., No. 4, 49 (1961);
3. Ind. Eng. Chem.,53, No. 3, 79 (1961).
4. O'Driscoll, Graphite as a High-Temperature Material [Russian translation from English], K. N. Vlasov (editor) (1964), p. 201.
5. Carbon,2, 519 (1962).