original_query: What specific effects does conclusion elevate from their assumed earlier rare particular features to general tools for exploring molecular and solid-state properties?
query: What specific effects does Bersuker's conclusion elevate from their assumed earlier rare particular features to general tools for exploring molecular and solid-state properties?
answer: Bersuker's conclusion elevates the Jahn-Teller effect (JTE) and pseudo Jahn-Teller effect (PJTE) from their assumed earlier rare particular features to general tools for exploring molecular and solid-state properties.