# Isolated frequencies at which nonlinear materials behave linearly

> Research article (Physical review. E, 2019) · cited 12× · AI/ML

**Wikidata**: [openalex:W2986093369](https://www.wikidata.org/wiki/openalex:W2986093369)  
**Source**: https://4ort.xyz/entity/isolated-frequencies-at-which-nonlinear-materials-behave-linearly