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Dyfyniad Arddull ChicagoOikawa, Kikuo. Trace Analysis of Atmospheric Samples. New York: Wiley Eastern, 1977.
Dyfyniad MLAOikawa, Kikuo. Trace Analysis of Atmospheric Samples. Wiley Eastern, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.