1.

Technical Paper
Technical Paper
1. Effects of Aging on Frictional Properties of Fuel Efficient Engine Oils
Johnson,Milton D. ; Jensen,Ronald K. ; Clausing,Erin M. ; Schriewer,Kurt ; Korcek,Stefan
Pub. info.: Recent snapshots and insights into lubricant tribology.  pp.183-190,  1995.  Society of Automotive Engineering, Inc.
Title of ser.: SAE special publication
Ser. no.: SP-1116
2.

Technical Paper
Technical Paper
2. In-Service Engine Oil Condition Monitoring-Opportunities and Challenges
Johnson,Milton D. ; Korcek,Stefan ; Schriewer,Kurt
Pub. info.: Rheotribology of automotive lubricants and fluids.  pp.183-190,  1994.  Society of Automotive Engineering, Inc.
Title of ser.: SAE special publication
Ser. no.: SP-1055