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Utilizing World Abundance : by the inauguration of a system to establish accessible reserves of essential commodities so administered as to achieve continuity of supply with reasonable price stability at realistic levels
Grondona, L. St. Clare, (1958)
Tverdi vydy palyva
Švec', Ivan T., (1959)
Development of natural resources : guidelines for needed research
Ahmad, Jaleel, (1960)
Optimum timing of long-term resource improvements
Cotner, Melvin L., (1963)
A policy for public investments in natural resources
Cotner, Melvin L., (1969)
EVALUATION OF CURRENT SOIL CONSERVATION STRATEGIES
Easter, K. William, (1981)