TY  - RPRT
TI  - Obsidian hydration profile measurements using a nuclear reaction technique
AU  - R.R. Lee
AU  - D.A. Leich
AU  - T.A. Tombrello
AU  - J.E. Ericson
AU  - I. Friedman
PY  - 1974
DO  - 10.1038/250044a0
UR  - https://pubs.usgs.gov/publication/70001287
ID  - 70001287
ER  -