# Nondestructive identification of blue pen inks for documentoscopy purpose using iPhone and digital image analysis including an approach for interval confidence estimation in PLS-DA models validation

> Research article (Chemometrics and Intelligent Laboratory Systems, 2016) · cited 32× · AI/ML

**Wikidata**: [openalex:W2417434845](https://www.wikidata.org/wiki/openalex:W2417434845)  
**Source**: https://4ort.xyz/entity/nondestructive-identification-of-blue-pen-inks-for-documentoscopy-purpose-using-iphone-and-digital-image-analysis-includ