International Potash Institute. Colloquium. (1979). Soils in Mediterranean type climates and their yield potential: Proceedings of the 14th colloquium of the International Potash Institute held in Sevilla/Spain 1979. The Institute.

International Potash Institute. Colloquium. Soils in Mediterranean Type Climates and Their Yield Potential: Proceedings of the 14th Colloquium of the International Potash Institute Held in Sevilla/Spain 1979. Worblaufen, Switzerland: The Institute, 1979.

International Potash Institute. Colloquium. Soils in Mediterranean Type Climates and Their Yield Potential: Proceedings of the 14th Colloquium of the International Potash Institute Held in Sevilla/Spain 1979. The Institute, 1979.