Journal of Physics: Condensed Matter. IOPscience.
Dyfyniad Arddull ChicagoJournal of Physics: Condensed Matter. IOPscience.
Dyfyniad MLAJournal of Physics: Condensed Matter. IOPscience.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.