(1979). Journal of physics and chemistry of solids, 1979, Vol.40, No.01-11.
Dyfyniad Arddull ChicagoJournal of Physics and Chemistry of Solids, 1979, Vol.40, No.01-11. Pergamon Press, New York, 1979.
Dyfyniad MLAJournal of Physics and Chemistry of Solids, 1979, Vol.40, No.01-11. 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.