Media type: E-Article Title: A universal order-disorder mechanism of structural phase transitions in A′A′′BX4compounds Contributor: Kurzyński, Michal Published: Informa UK Limited, 1994 Published in: Phase Transitions Extent: 1-56 Language: English DOI: 10.1080/01411599408201196 ISSN: 0141-1594; 1029-0338 Keywords: General Materials Science ; Instrumentation Footnote: