The relative importance of some wheel factors in soil compaction by tractors /
Dickson, J. W.,B.Sc.,author.
Bickerton, D. C.,author.
Scottish Institute of Agricultural Engineering.
"Not for publication."--title page.
"Scottish Institute of Agricultural Engineering."--at head of cover.
Report dated March 1982.
Includes bibliographical references (pages 15-16).
Farm tractors
Soil compaction.