1. Buchan, S., Trans. Inst. Rubber Ind., 19, 25 (1943); “Rubber to Metal Bonding”, 232 (London, 1948).
2. Gent, A. N., Proc. Rubber Eng. Conf., 25 (Natural Rubber Development Board, London, 1956).
3. Bull, T. H., Phil. Mag., 1, 153 (1956).
4. Buist, J. M., Trans. Inst. Rubber Ind., 25, 378 (1949).