An experimental optical instrument for identifying disease and surface defects in potato tubers /
Porteous, R. L.,author.
Muir, A. Y.,M. Phil.,author.
Scottish Institute of Agricultural Engineering.
Title from cover.
"Not for publication."--on cover leaf.
Report dated October 1980.
Library copy is a photocopy of the original.
Includes bibliographical references (page 10).
Potatoes
Potatoes