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Dyfyniad Arddull ChicagoShultis, J. Kenneth, and Richard E. Faw. Radiation Shielding. La Grange Park, IL: American Nuclear Society, 2000.
Dyfyniad MLAShultis, J. Kenneth, and Richard E. Faw. Radiation Shielding. American Nuclear Society, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.