# PLS-DA and infrared spectroscopy based rapid and non-destructive discrimination of black ball and gel pen inks for forensic application

> Research article (Forensic Science International Reports, 2020) · cited 38× · AI/ML

**Wikidata**: [openalex:W3110886180](https://www.wikidata.org/wiki/openalex:W3110886180)  
**Source**: https://4ort.xyz/entity/pls-da-and-infrared-spectroscopy-based-rapid-and-non-destructive-discrimination-of-black-ball-and-gel-pen-inks-for-foren