1. 1) J. N. Israelachvili : "Intermolecular and Surface Forces, 3rd. ed.", (2010), (Academic Press, Amsterdam).
2. 2) J. N. Israelachvili, A. M. Homola, P. M. McGuiggan : Science, 240, 189 (1988).
3. 3) J. van Alsten, S. Granick : Phys. Rev. Lett., 61, 2570 (1988).
4. 4) J. Israelachvili, A. D. Berman : "CRC Handbook of Micro/Nanotribology, 2nd ed.", Edited by B. Bhushan, p. 371 (1999), (CRC Press, Boca Raton, FL).
5. 5) M. O. Robbins, M. H. Muser : "Modern Tribology Handbook, Volume One", Edited by B. Bhushan, p. 717 (2001), (CRC Press, Boca Raton, FL).