1.

Technical Paper
Technical Paper
1. Oil Thickening in the Mack T-7 Engine Test-Fuel Effects and the Influence of Lubricant Additives on Soot Aggregation
Covitch,M.J. ; Humphrey,B.K. ; Ripple,D.E.
Pub. info.: Engine lubrication.  pp.65-80,  1985.  "Society of Automotive Engineering, Inc."
Title of ser.: SAE special publication
Ser. no.: SP-640
2.

Technical Paper
Technical Paper
2. Developing Heavy Duty Diesel Lubricants to Meet the Extended Service Interval Challenge
Schiemann,L.F. ; Andrews,C.A. ; Carrick,V.A. ; Humphrey,B.K. ; Martin,J.R. ; Pocinki,S.B. ; Schmid,C.F. ; Shah,M.P.
Pub. info.: Engine luricants.  pp.159-172,  1995.  Society of Automotive Engineering, Inc.
Title of ser.: SAE special publication
Ser. no.: SP-1121