Agricultural mechanization
Subtitle: seed drills.
Contributors: United Nations. Economic Commission for Europe.
Publisher: United Nations
Published: 1963
Place of publication: New York
Language: eng
Subjects: Drills (Planting machinery)
Notes: Includes bibliography.
"United Nations publication.  Sales number: 63.II.E/Mim. 19."
At head of title: Economic Commission for Europe.