Quantification of the spectral variability of ore-bearing granodiorite under supervised and semisupervised conditions: an upscaling approach Y Ogen, M Denk, C Glaesser, H Eichstaedt, R Kahnt, R Loeser, R Suppes, ... Journal of Spectroscopy 2021, 1-12, 2021 | 2 | 2021 |