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Dyfyniad Arddull ChicagoHuber, David Grant. Water Resource Development for Expanded Irrigated Agriculture on the Canterbury Plains. Lincoln College: New Zealand Agricultural Engineering Institute, 1973.
Dyfyniad MLAHuber, David Grant. Water Resource Development for Expanded Irrigated Agriculture on the Canterbury Plains. New Zealand Agricultural Engineering Institute, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.