Further experiments into vibratory tillage /
Blight, David P.author.
MacIntyre, D.(Duncan),-2015,author.
Butson, M. J.,author.
National Institute of Agricultural Engineering (Great Britain).Scottish Station.
Unbound.
Report dated July 1973.
"Not for publication."--stamped on cover leaf.
Includes bibliographical references (leaf 4).
Tillage