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Dyfyniad Arddull ChicagoHernández, Francisco. A Low Cost Adaptation of the T-butyl Alcohol Freeze-drying Method. 1994.
Dyfyniad MLAHernández, Francisco. A Low Cost Adaptation of the T-butyl Alcohol Freeze-drying Method. 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.