PaperAnelasticity and stress-induced ordering of point defects in crystalsA.S. Nowick, W.R. HellerAdvances in Physics
PaperDielectric and anelastic relaxation of crystals containing point defectsA.S. Nowick, W.R. HellerAdvances in Physics
PaperRare-Earth Ions in the Alkali Halides. I. Emission Spectra of Sm2+-Vacancy ComplexW.E. Bron, W.R. HellerPhysical Review