1. Ashley, R.J., A review of adhesives for the flexible packaging industry during the 1980’s. In Adhesion 7, ed. K. W. Allen, Elsevier Applied Science Publishers, London, 1983, pp. 221–251.
2. Ashley, R.J. et al., Adhesion problems in the packaging industry. In Industrial Adhesion Problems, ed. D. Brewis and D. Briggs, Orbital Press, Oxford, 1985, pp. 199–257.