Heshmat, H. “The Quasi-Hydrodynamic Mechanism of Powder Lubrication – Part I: Lubricant Flow Visualization,” Paper No. 91-AM-4D-1, STLE 46th Annual Meeting, April-May 1991, (1992) Lubrication Engineering, Volume 48 (2) pp. 96-104.
Heshmat, H. “The Quasi-Hydrodynamic Mechanism of Powder Lubrication – Part I: Lubricant Flow Visualization,” Paper No. 91-AM-4D-1, STLE 46th Annual Meeting, April-May 1991, (1992) Lubrication Engineering, Volume 48 (2) pp. 96-104.