TY - RPRT TI - Structural transformations in nonstoichiometric YBa2Cu3O6+ delta. AU - S Semenovskaya AU - AG Khachaturyan PY - 1992 DO - 10.1103/physrevb.46.6511 UR - https://pubmed.ncbi.nlm.nih.gov/10002342/ ID - 10002342 ER -