S. H. Roby

Deposit formation in gasoline engines: Part 2. Dispersant effects on sequence VE deposits

S. H. Roby, R. E. Kornbrekke, J. A. Supp, 1994 .

Investigation of sequence IIIE valve train wear mechanisms

S. H. Roby, 1991 .

Low-temperature properties of crankcase motor oils: A fundamental approach to pumpability phenomena

S. H. Roby, A. T. Riga, 1994 .