Berkani, S., F. Dassenoy, C. Minfray, M. Belin, B. Vacher, J. M. Martin, H. Cardon, G. Montagnac, and B. Reynard,
"Model formation of ZDDP tribofilm from a mixture of zinc metaphosphate and goethite",
Tribology International, vol. 79, pp. 197 - 203, Jan-11-2014.