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Using agricultural resources for economic development in underdeveloped countries
Kellogg, Charles E., (1962)
Modern soil science (with 2 plates)
Kellogg, Charles E., (1949)
[Besprechung von:] Sen, Sudhir: A richer harvest. New horizons for developing countries. Maryknoll/N.Y., New Dehli 1974
Kellogg, Charles E., (1976)