Use engine oil analysis to extend life of your engine
By: [prepared by Carol J. Spears].
Contributors: Oregon State University. Extension Service.
Series: SG / Oregon State University Extension Service -- 77.; Sea grant (Corvallis, Or.) -- 77.
Publisher: Extension Service, Oregon State University
Published: 1984
Place of publication: Corvallis, Or
Language: eng
Subjects: Engines -- Maintenance and repair.; Lubricating oils -- Analysis.
Notes: Title from caption.

"February 1984."