Problems of diversification in developing countries : a study of request of the Federal Ministry for Economic Affairs, Bonn. brief summary of the main results /
by Christain Wilhelms and Dieter E. Vogelsang.-
- Hamburg : The Hamburg Institute for International Economics, 1971.
- 20 leaves.
1. Diversification in industry. 2. Underdeveloped areas - Diversification in industry. 3. Interindustry economics