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Dyfyniad Arddull ChicagoThomas, Richard Nelson, and R. Grant Athay. Physics of the Solar Chromosphere. New York: Interscience Publishers, 1961.
Dyfyniad MLAThomas, Richard Nelson, and R. Grant Athay. Physics of the Solar Chromosphere. Interscience Publishers, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.