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Dyfyniad Arddull ChicagoBuras, Nathan. Scientific Allocation of Water Resources: Water Resources Development and Utilization : A Rational Approach. New York: American Elsevier, 1972.
Dyfyniad MLABuras, Nathan. Scientific Allocation of Water Resources: Water Resources Development and Utilization : A Rational Approach. American Elsevier, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.