1. Lubricant Additives: Chemistry and Applications;Rudnick,2009
2. The perils of aerated oil—let your machine burp;Fitch;Practicing Oil Anal. Mag.,2005
3. See, for example P.D.I. Fletcher in: I.D. Robb (Ed.), Specialist Surfactants, Blackie, London, 1997, chap. 5, 104–142.
4. Foams: theory, measurement and applications,1995
5. Foaming, foam films, anti-foaming and defoaming;Pugh;Adv. Colloid Interface Sci.,1996