# Quasipinning and selection rules for excitations in atoms and molecules

> Research article (Physical Review A, 2015) · cited 34× · AI/ML

**Wikidata**: [openalex:W1846127922](https://www.wikidata.org/wiki/openalex:W1846127922)  
**Source**: https://4ort.xyz/entity/quasipinning-and-selection-rules-for-excitations-in-atoms-and-molecules