Present and foreseeable trends in mechanization and their impact on European agriculture (horizon 1980),
United Nations.Economic Commission for Europe.
Dellenbach, Pierre.
Lehoczky, L.(László)
New York : United Nations,
1973.
Series statement also appears as: AGRI/MECH report no. 51.
"United Nations publication sales no. E.73.-II.E/Mim.9."
Includes bibliographical references.
Farm mechanization
Agriculture