1. Garnish , E. W. and Haskins , G. C. 1969.Aspects of AdhesionEdited by: Alner , D. J. Vol. 5, 259Univ. of London Press Ltd.
2. Bikerman , J. J. 1968.The Science of Adhesive Joints,, 2nd Ed. 48New York: Academic Press Inc. Chap. II, p.
3. Wake , W. C. 1969.Int'l. Conf. on Adhesion, Fundamentals and Practice115London: Univ. of Nottingham (McLaren and Sons Ltd.