TY  - RPRT
TI  - Spectra of altered rocks in the visible and near infrared
AU  - G.R. Hunt
AU  - Roger P. Ashley
PY  - 1979
DO  - 10.2113/gsecongeo.74.7.1613
UR  - https://pubs.usgs.gov/publication/70209766
ID  - 70209766
ER  -