OMS. Physical measurements in flooded rice soil. Geneva: OMS.
Dyfyniad Arddull ChicagoOMS. Physical Measurements in Flooded Rice Soil. Geneva: OMS.
Dyfyniad MLAOMS. Physical Measurements in Flooded Rice Soil. Geneva: OMS.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.