DATUVINK pilot study: A potential non-invasive methodology for dating ballpoint pen inks using multivariate chemometrics based on their UV–vis-NIR reflectance spectra

1. Ortiz-Herrero, L.
2. Bartolomé, L.
3. Durán, I.
4. Velasco, I.
5. Alonso, M.L.
6. Maguregui, M.I.
7. Ezcurra, M.