# Quantitative analysis of coal quality by mutual information-particle swarm optimization (MI-PSO) hybrid variable selection method coupled with spectral fusion strategy of laser-induced breakdown spectroscopy (LIBS) and fourier transform infrared spectroscopy (FTIR)

> Research article (Spectrochimica Acta Part B Atomic Spectroscopy, 2021) · cited 37× · AI/ML

**Wikidata**: [openalex:W3126784767](https://www.wikidata.org/wiki/openalex:W3126784767)  
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