TY - RPRT TI - Dipole defects in Al2O3:Mg,Cr. AU - A R Blak AU - V Gobbi AU - F Ayres PY - 2002 DO - 10.1093/oxfordjournals.rpd.a005937 UR - https://pubmed.ncbi.nlm.nih.gov/12382829/ ID - 12382829 ER -