Laolu-Balogun, E., Owen, S., Booth, T., Pattinson, G., Shipway, P.H., Voisey, K.T., "Lifetime of MoS2 based DFL systems in fretting with and without a Cu-Ni-In under-layer: the dependence on the topography of the surface onto which the DFL is deposited", Tribology International, 2023