Books by Dieter Elz
People and trees : the role of social forestry in sustainable development
Agricultural marketing strategy and pricing policy
The Planning and management of agricultural research
Review of the world tea econom
Review of the world tea economy
Oilseed product needs of the E
Oilseed product needs of the European Economic Community, 1970, as indicated by livestock-feed and vegetable-oil requirements
European Economic Community import demand for oilseeds and oilseed products