Magnetic field and temperature dependence of the fluorescience lifetime of CR3+ in GdA10 2 / J.S.Helman,A.O.Caride,H.C.Basso и др., 1991. - 22 p. - Текст : непосредственный.
Baltensperger W. Magnetization reversal by nucleation / W.Baltensperger,J.S.Broz,J.S.Helman, 1991. - 5 p. - Текст : непосредственный.